Style: On-the-Head Product Name: Stereo Headset Product Color: Black Speaker: 40 mm Frequency Range: 20 Hz - 20 KHz Impedance: 32 ohm Sensitivity: 97 dB Plug: USB Controller: In line volume control Cable Length: 2 m System Requirements: Windows 7 / 8 / 8.1 / 10 / Mac OS X