100% brand new and high quality

Silicon cover & ABS Plastic

Bluetooth:Bluetooth 2.0, A2DP,HFP,HSP,CSR solution, high quality sound

Mic: Yes

Driver:40mm,  4Ω 3W

Built-in Battery:  300mAH, Li-ion battery

Voltage:DC 3.7V

Operation range:up to 10m

Function Key:Volume +/-, Dial up/Hang up

Output power:3W

Built-in Microphone:Yes

Certificates:Bluetooth BQB

Frequency:100Hz-18KHz