Wireless
Bluetooth ;Audio Transmission ;
Hands freePhone function;
TF Card function
Bluetooth Version：3.0.
Frenquency：2.****2.**0GHz.
MAX Power output :3W
MIC Sensitivity:**2db .
Receive Sensitivity:Better than **2dBm.
Range:*0meters .
Data Transmission:Up to 3Mbps
UART Data Transmission Rate:*****0bps .
Charing Voltage :4.8V –5.2V DC.
Working Voltage:3.7V –4.2V DC.
Working Current:**0MA.
Quiescent Current:>1UA.
