Bluetooth Version：JL3.0.
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 :2600MAH.

Wirless Bluetooth Input;
hands-free calls;
TF Card USB function;
FM radio Fiashlight(SOS) Portable source

PACKAGE INCLUDES: 
1 xMultifunction Outdoor Flashlight 
1 x USB cable 

1 x mount for bike

1 x User manual

Instructions for use:
Press and hold the power button to turn on / off
Short press the power button to play / pause / answer / hang up the phone
Short press the power button for the Bluetooth, TF card, FM mode switch
Radio status, short press twice the power button to automatically search station
Short press the minus key on a song
The radio is short by the previous station
Long press the key to reduce the volume
Short press the plus key next song
Short press the radio for the next station
Long press the key to increase the volume
Flashlight discharge switch, long bright press SOS distress signal, you can unplug the lamp plug on the phone charging the phone
Note: When charging the flashlight, the red light is always on and the green light is flashing. When the power is full, the green light is on. When the power is low, the machine will automatically cut off the discharge.