Speakers

Sound Card Usb 7.1 ChannelS 2 Inputs
Plug and play, automatic installationUSB bus-power, no external power supply neededDual Stereo audio out and mono microphone socketsWith microphone-mute, speaker-mute, volume up and down four function keys Turn your stereo speaker or earphones into 7.1 channel environment Two jacks, the green one is for stereo output, and the yellow one is for mono microphone input Specifications: USB 2.0 Full-speed (480Mbps) specification USB HID class specification 1.1 USB Audio device class specification 1.0 USB Type A, 2x 3.5mm stereo output jack, 2 x mono microphone input jack connectors Supports: Windows 98se /ME / 2000 / XP / Server 2003 / Vista/Windows 7 and Windows 8 Linux/ MacOS 10/ System Requirement : Desktop or notebook PC with a USB port, Stereo active speakers or stereo earphone