The two-channel Bluetooth headset is based on the mobile phone supporting the A2DP Bluetooth stereo protocol. Only the mobile phone supports the A2DP Bluetooth stereo protocol, so that you can connect the stereo Bluetooth headset to enjoy the Bluetooth headset music. Stereo Bluetooth headsets have neck hangs, headsets, clips, glasses, etc., and the styles such as neck hangs and clips are wired Bluetooth headsets. The main function is to listen to the hang up call, and also directly listen to music, at the same time, part of the stereo The Bluetooth headset also has a liquid crystal display, which not only allows you to easily see the caller number, but also has the function of displaying the song name lyrics.
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