Features:
USB headphone with Microphone and Volume control. 
Super bass, precise sound.
With multifunctional line controller, more convenience to use for you.
With 180 degree rotatable microphone, soft and high sensitive.
Universal USB 2.0 plug, great for PC, laptop, Computer.
Soft earmuffs and adjustable hinges for comfortable wearing.
Remarkable active noise reduction function, effectively isolate noise and enjoy details of your favorite music.
High quality and fashionable appearance.
Ideal for internet chat, VOIP (voice-over-IP), gaming, etc.

Specifications:

HEADPHONE		MICROPHONE
Unit	￠40mm(1.57in)	Type	Condenser
Frequency	20-20,000Hz	Unit	￠9 * 7mm
Impedance	32Ω±15％	Frequency	50-1600Hz
Sensitivity	108dB±2dB	Impedance	1.2KΩ
Max.Input Power	100mW	Sensitivity	-58dB±2dB
Plug	USB 2.0 Connector	Cord Length	1.8M
Package Size	26 * 20 *9cm / 10.2 * 7.8 * 3.5in
Package Weight	312g / 11oz

Package Includes:
1 * USB Stereo Headphone with Microphone