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:Yellow, Blue, Red, Green, Pink, Purple
Functions:Bluetooth, Calling, Volume control, Switch songs, Sentivity Microphone
Bluetooth Series