Specification:
Bluetooth Version:BK3.0.
Frenquency:2.402-2.480GHz.
MAX Power output :3W
MIC Sensitivity:-32db .
Receive Sensitivity:Better than +82dBm.
Range:10meters .
Data Transmission:Up to 3Mbps
UART Data Transmission Rate:115200bps .
Charing Voltage :4.8V –5.2V DC.
Working Voltage:3.7V –4.2V DC.
Working Current:200MA.
Quiescent Current:>1UA.
Battery :250MAH.
Antenna:Built in
Functional description:
Wireless Bluetooth Input;
Stereo Sound;
TF card function;
NFC Optional