Communications noise canceling computer headsets deliver a high fidelity audio experience with the highest voice recognition industry rating . USB solution bypasses your desktop or laptop computer's integrated sound system, providing increased intelligibility and performance of microphone input and stereo speaker output for all of your digital audio applications.

Shen zhen Wuzhou KOMC Electronics Co.,ltd.
We are specialize in different function Bluetooth/Wired/USB sport headphone and earphone.We established our brand-KOMC.
We have own factroy in shenzhen and shantou with more than 200 employee,we also have our R&D team with engineer and designers.
we have taken the lead in passing ISO9001 International Quality Management System Certification in the field; ,based on customers' demands, products can be detected through CE, RoHS, FCC, Standards. Our products are widely used in international brand mobile phones, computers and consumer electronic. Our products sell well in both domestic and foreign markets, and are exported to many countries and regions.

1.Headphone cannot pair with mobile phone.
Please check whether your headphone is in pairing mode or reconnection mode, check whether Bluetooth search function of your mobile phone has been opened. Thus, check your mobile device’s Bluetooth menu and delete/forget the headphone, reconnect the headphone following instructions of user manual.

2.Headphone cannot be switch on.
Please check the battery status of your headphone.

3.Can I change battery for the headphone?
This headphone use a built-in non-detachable Li-Polymer battery, it cannot be removed.

4.Headphone disconnect with your mobile phone within 12 meter
Please check if there is metal or other material within relatively close range may interfere Bluetooth connection, as Bluetooth is a radio technology that is sensitive to objects between the headphone and the connected device.

5.Cannot hearing a sound from source and audio streaming application.
Check the source of streaming audio is on and playing. Or check that the device supports A2DP audio streaming. Or try other source / audio streaming app or try another track. Or check the Bluetooth device volume is at a high level and not muted. Or place the device to headphones (10 meters). Or take device and headphones away for any device that may cause interference, like other Bluetooth devices, cordless phones, microwave ovens or wireless computer network routers. Or reduce the number of applications running on the device. The audio quality will also be improved by turning off the Wi-Fi functionality of the device.

6.Cannot use the headphone to control volume or select track of APP of your mobile phone.
Solution: Software settings of APP may be varied led to some functions of the APP may not control by the headphone.

7.Cannot charge the headphone.
 Make sure both ends of the USB cable are securely connected. If you use a power outlet, ensure that the power supply is connected securely and the outlet works. If you use a computer, make sure it is connected and the USB port is powered. Turn on the headset and then turn them off. Disconnect and reconnect the USB charging cable.