1) the device is paired with the smartphone via Bluetooth.
2) Listen to music, and sound information of the smartphone with voice amplification through the earphones.
3) When the telephone is called, in use by a call button on the call button of the receiver or smart phone switch to the call state radio
You can henjeu free calls, and automatically switch to voice amplification after the call ends.
4) Fitting: The ability to adjust the sound-reinforcement through the equalizers in addition to voice and vivid sound quality.
2) Listen to music, and sound information of the smartphone with voice amplification through the earphones.
3) When the telephone is called, in use by a call button on the call button of the receiver or smart phone switch to the call state radio
You can henjeu free calls, and automatically switch to voice amplification after the call ends.
4) Fitting: The ability to adjust the sound-reinforcement through the equalizers in addition to voice and vivid sound quality.
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