External 3D Audio Sound Card Virtual 7.1 Channel USB 5.1 Converter Adapter Cable It's the new version. This external sound card offers a quality solution for upgrading your PC or laptop audio. This device supports 32 KHz, 44.1 KHz sampling rate in digital and analog recording, and in digital/analog audio playback. When you plug the box in to your computer it will install the drivers and then enable you to hook up a full 5.1 system via the 3.5mm jacks or the optical out; great for any gamers or audiophiles out there. You can also use the box for inputs, it has two 3.5mm jacks, one for a microphone and another line in. Not only that but you can use an optical in to get the best out of digital signals. You can use all kinds of recording software to capture your inputs too. 100% brand new and high quality External 4 channel (5.1) sound card 2 interpolator for digital playback data to improve quality Dolby digital audio streaming via S/PDIF out Fully duplex playback/recording of audio stream without a sound card in PC Stereo MIC support with 33db maximum capability 4 channel DAC output with 16 bit resolution USB 2.0 full speed 12Mbit serial data transmiion compliant transmiion speed: full speed 12Mbit compatible with: Win 98SE/ ME/XP/2000 size:8.9x5.9x2cm Material:Aluminum alloy colour:Black Package Contents: 1 x USB External sound card 1 x USB Cable Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.