This is Bluetooth stereo headset!

Full duplex calls allow you to speak and hear the other party speak simultaneously!

Bluetooth V1.2, with Headset, Handsfree Advanced Audio Distribution, Audio Video Remote Control Profiles, Interphone Profile

(1) Work as an interphone, Bluetooth Headset/Handsfree can intercommunication.

(2) Call out, call answer, call reject and call hang up;

(3) Auto answer phone call;

(4) Voice Dial;

(5) Last number redials;

(6) Audio transfer;

(7) Bluetooth stereo audio playback, both SBC and MP3 stream is supported;

(8) Seamlessly connects and switch between mobile phone call and Bluetooth stereo music playback.

(9)With single Mic software echo cancellation and noise suppression technology