?Features:
High-precision sound source position and super shocking sound effects.
Perfect In-line volume control， can provide you maximum comfort.
Remarkable active noise reduction function， effectively isolate noise and enjoy details of your favorite music.
Soft earmuffs and adjustable hinges for comfortable wearing.
Four keys and two LED lights(Green light: connection; Red light: MIC ON) operation. 
High quality and fashionable appearance.

Specifications:
Speaker Diameter: 40mm
Model: ME333
Color: Blue/Red
Sensitivity: 102±3dB
Impedance: 32┯
Frequency Response: 20Hz-20，000Hz
Rated Power: 15mW
Power Capability: 150mW
Plug Type: USB
Microphone Unit: 6 * 5mm Dia.Electret condenser
Microphone Directivity: Omni Direction
Microphone Sensitivity: -58dB±2dB
Microphone Impedance: Low
Microphone Frequency Response: 30Hz-16，000Hz
Standard Operating Voltage: 3V
Cable Length: 2m / 78.7in
Item Weight: 230g / 8.1oz
Package Weight: 432g / 15.2oz
Package Size: 20 * 9.5 * 22.6 / 7.8 * 3.7 * 8.8in

Package List: 
1 * USB Stereo Headphone with Microphone