This USB to audio adapter lets you connect headphones or speakers, and a microphone to your computer without having to disconnect other devices. Compliant with both USB 2.0 and USB 1.0 Audio Device Specification, this USB to audio adapter couldn't be easier to install. Compatible with Windows 98SE and higher, the USB audio adapter blends into any computer environment, providing excellent sound quality and convenience that can't be matched. Included with the USB Audio Adapter is Xear 3D software for virtual 7.1-channel sound for use with Windows XP and Windows Vista. Features. Compliant with USB Audio Device Class Specification 1.0. Built-in volume control buttons. Host interface compatible with USB 2.0 and USB Audio Device Class Specification 1.0. No drivers required for Windows XP/2000/Vista/7. Virtual 7.1 USB Stereo Audio External Sound Card Includes: 1 - USB to Audio AdapterSpecifications: Maximum Data Transfer Rate: 480 MbpsConnector Type: 1 - USB A (4 pin) MaleOperating Temperature: 0 degrees C to 70 degrees C (32 degrees F to 158 degrees F)Storage Temperature: -40 degrees C to 90 degrees C (-40 degrees F to 194 degrees F)Color: BlackHeight: 0.6 in. (0.551 in)Length: 2.2 in. (2.244 in)Width: 1 in. (1.000 in)Weight: 0.79 lbs