Description:
Wearing type : Headband
Function : Voice control, Answering phone, Song switching, Bluetooth, Multi connection function, Noise Cancelling, Microphone
Connectivity : Wireless
Connecting interface : USB
Application : Mobile Phone
Color: White & Gold, White & Rose Gold, Black & Red, Black & Blue,Black & Gold
Plug interface: Full-sized
Driver unit: 57mm
Frequency response : 20~20KHz
Impedance : 16ohms
Sensitivity : 110 dB
Power supply: USB port DC 5V
Talk time: About 3 hours; Music playing time: About 3 hours
Charging time: About 2 hours
Bluetooth: Yes
Bluetooth version: V4.1
Bluetooth distance: W/O obstacles 10m
Bluetooth band: 2.4GHz-2.48GHz
Bluetooth protocol: HSP, HFP, A2DP, AVRCP
Package contents:
1 x Headset
1 x USB charging cable
1 x instructions (on the box) 
