Bluetooth speaker

Bluetooth Version：JR4.2
Frenquency：2.402-2.480GHz.
MAX Power output: 10W
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: 300MA.
Quiescent Current: >1UA.
Battery : 18650/2200MAH.
FM Frenquency: 87.0－108MHZ