1. Bluetooth 3.0 wireless transmission protocol
2. Transmission distance and range(10m, 360°)
3. High SNR Bluetooth audio connection
4. No wire,no transmitter,no software,no setup, it is easy and fast
5. Automatic Switch-over between calls and music
6. Hidden omni-directional Mircrophone
7. Low power indicater, power status can be showed in cellphone after connected via bluetooth
8. Adjustable headband
9. Headset Spec.: frequency response:20-20KHz,SRN:92dB,working Voltage:3.7V,current:30mA speaker size:Φ30mm
10.Microphone Spec.:100Hz~10kHz&SRN≥74dB&Sensitivity:-66dB
11.Recording: OFF / ON (default setting)
12.Avaliable color: black, white, red, blue, pink, yellow