Bluetooth speaker

Bluetooth Version：JL4.2
Frenquency: 2.402-2.480GHz.
MAX Power output:10*2W
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 : 4500MAH.
FM Frenquency (Optional ) : 87.0－108MHZ Built-in radio antenna