7.1 Channel External USB 2.0 to 3.5mm Stereo o Sound Card Mic Adapter Speaker (Silver)

Features: 1. Made of aluminum alloy, it is durable and durable. 2. High performance 3D stereo 7.1 channel USB o adapter. 3. o output and In-Perfect microphone for skype headphones. 4. USB 2.0, compatible with USB1.1. 5. Plug and play, no external power supply, no need to drive. 6. System Requirements: for Windows 8 7 Vista XP, for OS 8.6 or higher. Specification: Color: black, silver (optional) Material: aluminum alloy Size: 28 * 11 * 42mm 1.1 * 0.4 * 1.7in Weight: approx. 26g Package list: 1 * External o Card .