Bluetooth Version: V4.2
Receiver Distance: Up to 10 meters
Working Time: Up to 5hours
Support: TF/Micro-SD card
Battery:Rechargeble Lithium-battery(3.7V/300mAh)
Colour: Blue, Red, Green, Gray
Functions:Bluetooth, Calling, Volume control, AUX,USB, Sentivity Microphone
Bluetooth Series