Built-in microphone,hands-free for calling

Answer calls freely when driving and listen to music wireless

Connect two bluetooth devices simultanepusly

Performance parameters:
The main chip    AB1512
Bluetooth specification        Bluetooth 4.1+EDR
Support Bluetooth protocol HFPV, HSP, A2DP, AVRCP
Connect 2 paired bluetooth devices
Modulation of PI /4 DQPSK, 8DPSK
The working voltage of DC 3.7-5.0 V
The working current is 8 - 15mA
The temperature range of -40 -80 degree celsius
The wireless transmission range of >10 meters
The transmission power of CLASS2
The sensitivity of -80dBm<0.1%BER
Frequency range 2.4GHz-2.480GHz
Audio performance    stereo
The audio signal to noise ratio is more than 75dB
The distortion is less than 0.1%
The external interface  3.5mm audio male plug  , USB male plugo

Pduct size 40 (Diameter) *12 (H) mm