Bluetooth Version：BK3.0.
Frenquency：2.402-2.480GHz.
MAX Power output:3W*2
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 :1100MAH.
Antenna:Built in