Adds balance and tone to your favorite tunes and clarity to your calls. Stunning Sound. Superior Comfort! Fully compatible with applications such as calls, Skype, Messenger and other conversations online. Sleek Behind-the-neck Design Ultra-light weight for powerful sound and comfortable listening on the move. 3.5mm Eaphone and Microphone Plug 3.5mm Eaphone and microphone plug to be connected with your computer. Crystal Clear Chat Headset Built-in unidirectional microphone which can be twisted discretionarily picks-up your voice loud & clear. Omnidirectional Noise-cancelling Mic. Omnidirectional noise-cancelling microphone makes call clear and natural. Tangle-free Cable Sensitive and tangle-free cable provides durability. Earphone Hook Convenient and practical for you to hang your headset up when you do not use it. SPECIFICATIONS Frequency Response: 20 Hz - 20 KHz Nominal Impedance: 32 ohm Sensitivity: 97 dB / 10 mW / 3 mm Jack Pulg: OD 3.5 mm stereo Cable Length: 2 m System Requirements: WindowsXP / Vista / 7 / 8 / 8.1 / 10