Bluetooth Version: V4.2
Receiver Distance: Up to 10 meters
Working Time: Up to 6 hours
Support: TF/Micro-SD card
Battery:Rechargeble Lithium-battery(3.7V/400mAh)
Charging: USB 2.0
Charging Time: 2 hours
Functions:Bluetooth, Calling, Volume control, Switch songs, Answer/Reject a call, Hung up phone, Redial, Voice prompt, Battery status, FM, MP3
Colour:Orange,Black, Blue, Red, Purple
Bluetooth Series