100% Brand Newu0026nbsp;

Wear type: headband innovative stretch design strong compatibility, compatible with the mainstream Bluetooth device on the market.

Also support 3.5mm audio access, without Bluetooth equipment can also be used (note 3.5MM connector * purchased separately)

Function: voice control, answering phone, song switching, bluetooth, multi-function connection function, noise reduction, microphone

Card mp3 function, support 16G or less memory card

Connection: Wireless

Plug connector: full size

Driving unit: 57mm

Frequency response: 20 ~ 20KHz

Impedance: 16ohms

Sensitivity: 110 dB

Power supply: USB port DC 5V

Working hours: talk time, 16 hours; music playing time: 20 hours

Standby time: up to 150 hours

Charging time: about 2 hours

Bluetooth version: V4.1 bilateral stereo

Bluetooth band: 2.4GHz-2.48GHz

Bluetooth protocol: HSP, HFP, A2DP, AVRCP

Package Contents: 1 x headset +1 USB charging cable