ClassID:

232198

H04R2420/07 - page 13 - CPC Classification

Classification description:

Details of connection covered by , not provided for in its groups Applications of wireless loudspeakers or wireless microphones

Recent Application in this class:
#3601
20170139668
2017-05-18

Method and apparatus for interfacing with wireless earpieces

#3602
20170135592
2017-05-18

Strain sensing element, having a first and second magnetic layer and a third layer that is antiferrimagnetic

#3603
20170135315
2017-05-18

Animal wearable devices, systems, and methods

#3604
20170134988
2017-05-11

Data transmission method and system, and related device

#3605
20170134871
2017-05-11

Base properties in a media playback system

#3606
20170134855
2017-05-11

Multi-channel pairing in a media system

#3607
20170134850
2017-05-11

Ceiling tile microphone

#3608
20170134845
2017-05-11

Wireless earbuds and related methods

#3609
20170134837
2017-05-11

Audio system

#3610
20170127204
2017-05-04

Speaker system charging station

#3611
20170127184
2017-05-04

WIRELESS SPEAKER SYSTEM

#3612
20170127173
2017-05-04

Wireless audio accessory for attachment to an article of clothing

#3613
20170127172
2017-05-04

System and method of improving voice quality in a wireless headset with untethered earbuds of a mobile device

#3614
20170127167
2017-05-04

Freely adjustable ergonomic bone conduction earphone rack

#3615
20170118740
2017-04-27

Wireless receiver and control method thereof

#3616
20170118559
2017-04-27

Themed ornaments with internet radio receiver

#3617
20170116977
2017-04-27

Vibration speaker for audio headsets

#3618
20170116975
2017-04-27

External ear insert for hearing comprehension enhancement

#3619
20170111834
2017-04-20

Diversity bluetooth system and method

#3620
20170111750
2017-04-20

Wireless receiver

#3621
20170111740
2017-04-20

3D sound field using bilateral earpieces system and method

#3622
20170111737
2017-04-20

Processing audio signals

#3623
20170111726
2017-04-20

Wearable device onboard applications system and method

#3624
20170111725
2017-04-20

Enhanced biometric control systems for detection of emergency events system and method

#3625
20170111723
2017-04-20

Personal Area Network Devices System and Method

#3626
20170111722
2017-04-20

Multi-point multiple sensor array for data sensing and processing system and method

#3627
20170111721
2017-04-20

Internal vent structure for waterproof microphone acoustic cavity

#3628
20170111489
2017-04-20

Wireless sound equipment

#3629
20170110804
2017-04-20

Antenna structure for exchanging wireless signals

#3630
20170110795
2017-04-20

Method and apparatus for adjusting wireless communications

#3631
20170110152
2017-04-20

Video-production system with metadata-based DVE feature

#3632
20170110124
2017-04-20

Wearable earpiece voice command control system and method

#3633
20170109131
2017-04-20

Earpiece 3D Sound Localization Using Mixed Sensor Array for Virtual Reality System and Method

#3634
20170108918
2017-04-20

Second screen devices utilizing data from ear worn device system and method

#3635
20170105622
2017-04-20

Monitoring pulse transmissions using radar

#3636
20170105064
2017-04-13

Time heuristic audio control

#3637
20170104335
2017-04-13

Solar power lighted audio fishing tackle box

#3638
20170104262
2017-04-13

Transmitter with improved sensitivity and shielding

#3639
20170099558
2017-04-06

Bass management for home theater speaker system and hub

#3640
20170099546
2017-04-06

HOME THEATER SPEAKER SYSTEM AND HUB

#3641
20170099534
2017-04-06

Loudspeaker system

#3642
20170099375
2017-04-06

Wireless communication system for use by teams

#3643
20170098466
2017-04-06

Encoded audio synchronization

#3644
20170094437
2017-03-30

Spatial mapping of audio playback devices in a listening environment

#3645
20170094416
2017-03-30

USER ADORNABLE APPARATUS AND SYSTEM FOR GENERATING USER DETECTABLE AUDIO AND MECHANICAL VIBRATION SIGNALS

#3646
20170094410
2017-03-30

SPEAKER PARAMETER CONFIGURATION METHOD AND MOBILE TERMINAL

#3647
20170094399
2017-03-30

Wireless pairing of earbuds and case

#3648
20170094398
2017-03-30

Earbuds with capacitive touch sensor

#3649
20170094397
2017-03-30

Wireless earbuds with electronic contacts

#3650
20170094396
2017-03-30

Wireless pairing of earbuds and case

#3651
20170094395
2017-03-30

Earbud case with wireless radio shutdown feature

#3652
20170094394
2017-03-30

Earbud case with charging system

#3653
20170094393
2017-03-30

Earbud case with receptacle connector for earbuds

#3654
20170094392
2017-03-30

Earbud case with charging system

#3655
20170094391
2017-03-30

Magnetic retention of earbud within cavity

#3656
20170094390
2017-03-30

Earbuds with acoustic insert

#3657
20170094389
2017-03-30

Wireless ear buds with proximity sensors

#3658
20170094386
2017-03-30

In-ear headphone

#3659
20170094385
2017-03-30

INTELLIGENT EARPLUG SYSTEM

#3660
20170094384
2017-03-30

Earbud stability anchor feature

#3661
20170094381
2017-03-30

Case with torsion spring over-center mechanism

#3662
20170093454
2017-03-30

Case with inductive charging system to charge a portable device

#3663
20170093453
2017-03-30

Case with magnetic over-center mechanism

#3664
20170093079
2017-03-30

Waterproof receptacle connector

#3665
20170085989
2017-03-23

Ring network of Bluetooth speakers

#3666
20170085988
2017-03-23

Interchangable ear cushions for headphones

#3667
20170085985
2017-03-23

Collaborative audio processing

#3668
20170085977
2017-03-23

Charging of wireless earbuds

#3669
20170085976
2017-03-23

Contact hearing system with wearable communication apparatus

#3670
20170085973
2017-03-23

AN AUDIO DEVICE

#3671
20170083284
2017-03-23

WIRELESS SPEAKER SYSTEM

#3672
20170078824
2017-03-16

ELECTRONIC APPARATUS, AUDIO SYSTEM AND AUDIO OUTPUT METHOD

#3673
20170078810
2017-03-16

Compact public address access point apparatuses

#3674
20170078796
2017-03-16

Playback based on received sound waves

#3675
20170078795
2017-03-16

Portable speaker

#3676
20170078790
2017-03-16

Microphone signal fusion

#3677
20170078789
2017-03-16

Wireless sound-emitting device and system for remotely controlling a sound-emitting device

#3678
20170078786
2017-03-16

Managing connections of a user device

#3679
20170078784
2017-03-16

Circuit assembly for compact acoustic device

#3680
20170078783
2017-03-16

Wireless earpiece with local audio cache

#3681
20170075740
2017-03-16

Managing functions on an iOS-based mobile device using ANCS notifications

#3682
20170071171
2017-03-16

Aquarium theater device

#3683
20170070818
2017-03-09

Method and apparatus for customizing audio signal processing for a user

#3684
20170070804
2017-03-09

Multifunction Wireless Adapter

#3685
20170070801
2017-03-09

Electronic device with magnetically stowable speaker assemblies

#3686
20170070797
2017-03-09

Wirelessly capable sports mouthguard for communication

#3687
20170070262
2017-03-09

Audio media streaming device

#3688
20170069338
2017-03-09

Wireless audio synchronization

#3689
20170064473
2017-03-02

System with speaker, transceiver and related devices

#3690
20170064437
2017-03-02

Responsive packaging system for managing display actions

#3691
20170064433
2017-03-02

Power control for battery powered personal area network device system and method

#3692
20170064429
2017-03-02

Smart case power utilization control system and method

#3693
20170064428
2017-03-02

Load balancing to maximize device function in a personal area network device system and method

#3694
20170064427
2017-03-02

Wireless earphone

#3695
20170064423
2017-03-02

DEVICES, SYSTEMS, AND METHODS FOR VIBRATIONALLY SENSING AUDIO

#3696
20170064160
2017-03-02

Wireless Speaker and Digital Camera

#3697
20170063434
2017-03-02

Multimodal communication system induction and radio and method

#3698
20170061760
2017-03-02

Intelligent earplug system

#3699
20170060526
2017-03-02

Audio system with multi-screen application

#3700
20170060267
2017-03-02

Finger computer display and controller device

#3701
20170060262
2017-03-02

Interactive product packaging system and method

#3702
20170055670
2017-03-02

HAIR DRYER WITH WIRELESS SPEAKERS

#3703
20170055098
2017-02-23

Method and apparatus for processing audio signal based on speaker location information

#3704
20170055097
2017-02-23

Methods for determining relative locations of wireless loudspeakers

#3705
20170055089
2017-02-23

Method of exchanging data packages of different sizes between first and second portable communication devices

#3706
20170055062
2017-02-23

Protection assembly for ear-mounted sound-output device

#3707
20170055059
2017-02-23

Base Station, Wireless Headset and Headband Thereto

#3708
20170055058
2017-02-23

HANDS-FREE APPARATUS

#3709
20170055055
2017-02-23

Devices, systems, and methods for vibrationally sensing audio

#3710
20170055054
2017-02-23

Speaker device

#3711
20170048635
2017-02-16

Method and system of extending battery life of a wireless microphone unit

#3712
20170048619
2017-02-16

Method and apparatus for outputting audio in electronic device

#3713
20170048618
2017-02-16

Transmitter and position information management system

#3714
20170048613
2017-02-16

Pairing of media streaming devices

#3715
20170048609
2017-02-16

Multi-source audio amplification and ear protection devices

#3716
20170048608
2017-02-16

Passive noise-cancellation of an in-ear headset module

#3717
20170048602
2017-02-16

Sound system with ear device with improved fit and sound

#3718
20170041727
2017-02-09

Acoustic signatures

#3719
20170041726
2017-02-09

Providing playback timing in a multi-zone audio environment

#3720
20170041725
2017-02-09

Electronic device charging via an audio jack

#3721
20170041700
2017-02-09

Wireless earplug with improved sensitivity and form factor

#3722
20170041698
2017-02-09

Wireless Headset System

#3723
20170040833
2017-02-09

Transport and/or storage container for rechargeable wireless earphones

#3724
20170034648
2017-02-02

Automatic speaker setup

#3725
20170034613
2017-02-02

System with wireless earphones

#3726
20170034610
2017-02-02

Earpiece positioning and retaining

#3727
20170026753
2017-01-26

Devices and methods for a high performance electromagnetic speaker based on monolayers

#3728
20170026509
2017-01-26

Unified communications system and method

#3729
20170024185
2017-01-26

Nomadic device for controlling one or more portable speakers

#3730
20170023975
2017-01-26

AUDIO DOCKING

#3731
20170022717
2017-01-26

UNIVERSAL GRAB BAR WITH ONE PIECE MOLDED MOUNT AND INTEGRATED ACCESSORIES

#3732
20170020788
2017-01-26

Lullaby Pacifier

#3733
20170019743
2017-01-19

Synchronising an audio signal

#3734
20170019742
2017-01-19

Base properties in a media playback system

#3735
20170019735
2017-01-19

Sound output device

#3736
20170019726
2017-01-19

Race progress apparatus

#3737
20170019724
2017-01-19

Headset with internal gimbal

#3738
20170017460
2017-01-19

Method of augmenting an audio content

#3739
20170013376
2017-01-12

Managing audio output through an intermediary

#3740
20170013360
2017-01-12

Multifunctional earphone system for sports activities

#3741
20170013359
2017-01-12

Audio wireless transmission system, speaker device, and source device

#3742
20170013349
2017-01-12

Audio system with removable speaker

#3743
20170013346
2017-01-12

ELECTRONIC DEVICE AND METHOD FOR CONTROLLING POWER SIGNAL USING THE SAME

#3744
20170013344
2017-01-12

Earphone keeper

#3745
20170013342
2017-01-12

Wireless audio output devices

#3746
20170013337
2017-01-12

PLANT SPEAKER

#3747
20170011608
2017-01-12

Wireless audio system using smoke detectors with integrated audio systems paired for mobile device output

#3748
20170006370
2017-01-05

Earbud set, and hearing aid and earphone using same

#3749
20170006144
2017-01-05

Mobile telephone

#3750
20170003386
2017-01-05

MEASUREMENT OF DISTANCE BETWEEN DEVICES USING AUDIO SIGNALS

#3751
20160381476
2016-12-29

Group coordinator selection based on network performance metrics

#3752
20160381453
2016-12-29

Neck-wearable communication device with microphone array

#3753
20160381448
2016-12-29

Earphone assemblies with magnets for anchoring to a user

#3754
20160379679
2016-12-29

Management of media content playback

#3755
20160377891
2016-12-29

Biologically fit wearable electronics apparatus

#3756
20160373862
2016-12-22

Loudspeaker device and audio output apparatus having the same

#3757
20160373851
2016-12-22

Ear jewelry with wireless audio device

#3758
20160373850
2016-12-22

Bluetooth wireless headphone bracelet

#3759
20160373849
2016-12-22

Necklace and earphone combination device

#3760
20160373847
2016-12-22

Customizable headset

#3761
20160372959
2016-12-22

Wireless Power Transmitter, Charging Dock and Speaker System

#3762
20160366506
2016-12-15

Portable sound equipment

#3763
20160366373
2016-12-15

Wireless speaker devices for wireless audio/video recording and communication devices

#3764
20160360350
2016-12-08

Wireless audio output devices

#3765
20160360332
2016-12-08

Electronic device and method for controlling input and output by electronic device

#3766
20160360018
2016-12-08

Audio data routing between multiple wirelessly connected devices

#3767
20160359766
2016-12-08

Systems, methods, and devices for handling Wi-Fi and bluetooth audio

#3768
20160359577
2016-12-08

Apparatus, method and system of communicating acoustic information of a distributed microphone array between mobile devices

#3769
20160357510
2016-12-08

Changing companion communication device behavior based on status of wearable device

#3770
20160357501
2016-12-08

Audio devices and related methods for acquiring audio device use information

#3771
20160356620
2016-12-08

Binaural navigation cues

#3772
20160353195
2016-12-01

Intelligent headphone

#3773
20160353193
2016-12-01

Wearable electronic device having ornamental and deployment modes

#3774
20160353187
2016-12-01

Speaker and showerhead assembly

#3775
20160345096
2016-11-24

Wireless audio system

#3776
20160345091
2016-11-24

LOUDSPEAKER MADE OF PAPER MATERIAL

#3777
20160345087
2016-11-24

Throwable microphone

#3778
20160337754
2016-11-17

Multi-channel audio vibratory entertainment system

#3779
20160337744
2016-11-17

Repurposable microphone and speaker

#3780
20160337739
2016-11-17

Headset with ear support

#3781
20160337734
2016-11-17

Transducer holder

#3782
20160337190
2016-11-17

System and method for negotiating group membership for audio controllers

#3783
20160336020
2016-11-17

External microphone for an unmanned aerial vehicle

#3784
20160330546
2016-11-10

HEADSET WITH LEAKAGE DETECTION

#3785
20160330537
2016-11-10

HYBRID HEADSET TUNED FOR OPEN-BACK AND CLOSED-BACK OPERATION

#3786
20160329872
2016-11-10

Satellite volume control

#3787
20160323983
2016-11-03

Electric light bulb type light source apparatus

#3788
20160323677
2016-11-03

Wireless system for hearing communication devices providing wireless stereo reception modes

#3789
20160323672
2016-11-03

Multi-channel speaker output orientation detection

#3790
20160323664
2016-11-03

Adjustable opening headphones

#3791
20160321886
2016-11-03

Detection and classification of abnormal sounds

#3792
20160316305
2016-10-27

Speaker calibration

#3793
20160316302
2016-10-27

Method for synchronizing the reproduction of a digital signal sent by a transmitter to a plurality of mobile audio terminals

#3794
20160309269
2016-10-20

Wireless radio switching

#3795
20160309259
2016-10-20

Electrically conductive membrane pump system

#3796
20160309246
2016-10-20

Smart speaker with multifunctional faceplate and local environment sensing

#3797
20160302029
2016-10-13

Multiple communication mode headset

#3798
20160302004
2016-10-13

Switching to a second audio interface between a computer apparatus and an audio apparatus

#3799
20160302002
2016-10-13

Band-limited beamforming microphone array

#3800
20160301807
2016-10-13

Audio capture and transmission device having sound attenuation

#3801
20160299739
2016-10-13

METHOD FOR CONTROLLING DATA STREAMING USING BLUETOOTH COMMUNICATION

#3802
20160295321
2016-10-06

Distributed audio system

#3803
20160295314
2016-10-06

Headset system with user-configurable function button

#3804
20160295313
2016-10-06

Wireless Headphone Device

#3805
20160291927
2016-10-06

Method and system for synchronizing functions of music player in smart device and bluetooth earphone

#3806
20160286330
2016-09-29

Augmenting existing acoustic profiles

#3807
20160286323
2016-09-29

Wireless stereo hearing assistance system

#3808
20160286314
2016-09-29

Themed ornaments with internet radio receiver

#3809
20160286313
2016-09-29

Acoustic device for streaming audio data

#3810
20160286019
2016-09-29

USB programmable dual antenna communications headset system

#3811
20160283194
2016-09-29

Direct selection of audio source

#3812
20160277858
2016-09-22

Headphone listening apparatus

#3813
20160277826
2016-09-22

Earphone line control device and earphone

#3814
20160269878
2016-09-15

Audio systems and methods

#3815
20160269824
2016-09-15

Optical fiber decoding-based wireless gaming headset

#3816
20160269819
2016-09-15

Modular quick-connect A/V system and methods thereof

#3817
20160269812
2016-09-15

Modular quick-connect A/V system and methods thereof

#3818
20160269136
2016-09-15

Maintaining clock synchronization in a digital network without continuous transmission

#3819
20160266868
2016-09-15

Apparatus, System, and Method for Multi-Zone Audio Playback

#3820
20160261952
2016-09-08

Mobile communication devices having adaptable features and methods for implementation

#3821
20160261948
2016-09-08

GAMING HEADSET WITH PROGRAMMABLE AUDIO PATHS

#3822
20160261945
2016-09-08

Flexible earphone cover

#3823
20160261943
2016-09-08

HEADPHONE HAVING VIBRATION FUNCTION

#3824
20160261299
2016-09-08

Wristband-type handset and wristband-type alerting device

#3825
20160256688
2016-09-08

Integrated implantable hearing device, microphone and power unit

#3826
20160255437
2016-09-01

LED lighting device and speaker

#3827
20160255436
2016-09-01

Techniques for sharing stereo sound between multiple users

#3828
20160254850
2016-09-01

Systems and methods of antenna diversity switching

#3829
20160253148
2016-09-01

Media system controller interface

#3830
20160253145
2016-09-01

ELECTRONIC DEVICE AND METHOD FOR CONTROLLING THE SAME

#3831
20160250440
2016-09-01

Apparatus for ascertaining a personal tinnitus frequency

#3832
20160249141
2016-08-25

System and method for improving hearing

#3833
20160249133
2016-08-25

Earphone device with optical sensor

#3834
20160249128
2016-08-25

Method and device for personalized hearing

#3835
20160249122
2016-08-25

Interface for microphone-to-microphone communications

#3836
20160246567
2016-08-25

Playback expansion

#3837
20160246076
2016-08-25

Lightweight bone conduction bluetooth glasses

#3838
20160241975
2016-08-18

Partner microphone unit and a hearing system comprising a partner microphone unit

#3839
20160241974
2016-08-18

Hearing system comprising a separate microphone unit for picking up a users own voice

#3840
20160241959
2016-08-18

Wireless communications headset system employing a loop transmitter that fits around the pinna

#3841
20160241947
2016-08-18

Method and system for audio sharing

#3842
20160241942
2016-08-18

Bluetooth communication bracelet

#3843
20160240211
2016-08-18

Voice enhancement method for distributed system

#3844
20160240185
2016-08-18

Active noise cancellation in audio output device

#3845
20160236212
2016-08-18

SHOWERHEAD WITH AUDIO ASSEMBLY

#3846
20160234589
2016-08-11

AUDIO APPARATUS AND METHODS

#3847
20160234583
2016-08-11

Speaker

#3848
20160231980
2016-08-11

Wireless Signal Transmission Device and Sound System Having the Same

#3849
20160227319
2016-08-04

Methods, devices and systems for bluetooth audio transmission

#3850
20160227318
2016-08-04

Method and system for audio broadcast using lighting devices

#3851
20160227316
2016-08-04

WIRELESS LINK TO TRANSMIT DIGITAL AUDIO DATA BETWEEN DEVICES IN A MANNER CONTROLLED DYNAMICALLY TO ADAPT TO VARIABLE WIRELESS ERROR RATES

#3852
20160226129
2016-08-04

Antenna configurations for wireless speakers

#3853
20160225245
2016-08-04

Environmental detection sound system

#3854
20160224313
2016-08-04

Audio apparatus

#3855
20160223338
2016-08-04

Open water swim navigation apparatus and method

#3856
20160219367
2016-07-28

PORTABLE WIRELESS WATERPROOF SPEAKERS WITH POWER MANAGEMENT

#3857
20160219361
2016-07-28

Personal audio equipment provided with air vent unit and noise cancellation function

#3858
20160219358
2016-07-28

WIRELESS EARBUDS WITH RECIPROCATING LEADER AND FOLLOWER CONFIGURATION

#3859
20160216943
2016-07-28

Headphones with integral image display

#3860
20160216935
2016-07-28

System and method for issuing commands in a media playback system

#3861
20160212565
2016-07-21

Motor vehicle audio system

#3862
20160212557
2016-07-21

Digital wireless audio transmission system with optimized dynamics

#3863
20160212538
2016-07-21

Spatial audio with remote speakers

#3864
20160212536
2016-07-21

METHOD FOR CONTROLLING SOUND OUTPUT OF WEARABLE DEVICE AND VEHICLE FOR CARRYING OUT THE SAME

#3865
20160212535
2016-07-21

System and method for controlling output of multiple audio output devices

#3866
20160212528
2016-07-21

5 GHz wireless stereo sound system

#3867
20160212522
2016-07-21

Ear set device

#3868
20160211935
2016-07-21

Maintaining clock synchronization in a digital network without continuous transmission

#3869
20160205468
2016-07-14

NON-OCCLUDED PERSONAL AUDIO AND COMMUNICATION SYSTEM

#3870
20160205461
2016-07-14

Antennas suitable for wireless earphones

#3871
20160205460
2016-07-14

Control method of mobile terminal apparatus

#3872
20160205455
2016-07-14

Method and system of extending battery life of a wireless microphone unit

#3873
20160203685
2016-07-14

Wearable vibration device

#3874
20160198253
2016-07-07

Earset using ear-insertion-type microphone

#3875
20160198247
2016-07-07

Wireless speaker and system

#3876
20160196106
2016-07-07

Discovery, control, and streaming of multi-channel audio playback with enhanced time synchronization

#3877
20160196101
2016-07-07

Unitary electronic speaker device for receiving digital audio data and rendering the digital audio data

#3878
20160192094
2016-06-30

DEVICE FOR PLAYING MUSIC AND CONTROL METHOD THEREOF

#3879
20160192088
2016-06-30

Hearing device with sound source localization and related method

#3880
20160192057
2016-06-30

Ear jewelry with wireless audio device

#3881
20160192055
2016-06-30

DRIVE-BY-WIRE EARPHONE CAPABLE OF BEING CONNECTED WITH INPUT SOURCE FOR WIRELESS COMMUNICATION

#3882
20160192050
2016-06-30

Smart flexible interactive earplug

#3883
20160191181
2016-06-30

AUDIO BROADCAST RETRANSMISSIONS

#3884
20160188287
2016-06-30

Synchronised control

#3885
20160182985
2016-06-23

TRIM-PIECE SPEAKER SYSTEM

#3886
20160182697
2016-06-23

Smart device case with sound speaker

#3887
20160174006
2016-06-16

Sound output device that recognizes external speakers

#3888
20160173973
2016-06-16

Audio speaker with externally reinforced passive radiator attachment

#3889
20160173970
2016-06-16

Wireless Phone Accessory

#3890
20160170708
2016-06-16

Device for controlling sound reproducing device and method of controlling the device

#3891
20160166054
2016-06-16

Multifunctional, electronic, light emittable and removable sleeve for paintbrush

#3892
20160165645
2016-06-09

Remote system configuration using audio ports

#3893
20160165373
2016-06-09

Wireless audio transmission system, in particular wireless microphone system

#3894
20160165370
2016-06-09

Method for improving audio experience for a user of an audio device

#3895
20160165345
2016-06-09

PHANTOM CABLE ELIMINATION SYSTEM

#3896
20160165343
2016-06-09

WIRELESS CONNECTION AND CONTROL METHOD FOR WIRELESS SOUND BOX AND SYSTEM THEREOF

#3897
20160165021
2016-06-09

Dual antenna communications headset

#3898
20160157008
2016-06-02

Transmission method, mobile terminal, multi-channel headset, and audio play system

#3899
20160157002
2016-06-02

Magnetic floating loudspeaker

#3900
20160155581
2016-06-02

Smart electrical switch with audio capability