• Compatible with mobile phone and tablet which have the bluetooth function.
• Phone call and music controlling in one button in the earphone,as convenient as possible!
• Can remind the remainder electric quantity smartly.
• Support muti languages.
•  Bluetooth version : V4.1
• Charging voltage : 5V
• Working voltage :3.7V
• Battery : Li-polymer
• battery around 100MA/H

Battery life : –

• charging time : around 2 hours
•  music time : around 4.5 hours
•  talk time : around 5 hours