Color: Black,White 
Wearing type : Headband 
Function: Answering Phone,Bluetooth,HiFi,Microphone,Noise Cancelling,Song Switching,Voice control

Connectivity : Wireless 
Application: Aviation,Computer,DJ,Mobile phone,Portable Media Player 
Plug Type: AUX-IN 
Frequency response: 20~20KHz 
Working Voltage: DC5V / 500mA 
Working Time: 10 hours 
Talk time: 15 hours 
Music Time: 20 hours

Bluetooth: Yes 
Bluetooth version: V4.1 + EDR 
Bluetooth distance: W/O obstacles 10m 
Bluetooth protocol: A2DP,AVRCP,HFP

Package weight: 0.227 kg 
Package size (L x W x H): 19.00 x 16.00 x 5.00 cm / 7.48 x 6.30 x 1.97 inches

Package Contents: 1 x BQ - 618 Smart Wireless Bluetooth Stereo Headphones with MIC Support 3.5mm Stereo Audio Input, 1 x 3.5mm AUX Audio Cable, 1 x USB Charging Cable, 1 x Bilingual User Manual in English and Chinese