Materials: ABS plastic                                                            

Functions:   Bluetooth/AUX/TF                                   

Bluetooth Version：V5.0

Frenquency：2.402-2.480GHz.

MAX Power output: 20W 

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

Battery : 18650 / 2200MAH                                                             

Product Size :400*55*55MM