The APPUSB51 is a USB (Universal Serial Bus) 51 with microphone input & speaker sound card This device will allow the creation of a microphone input & audio output connector 51 from any PC USB (Universal Serial Bus) port You will not have the need to connect behind your PC to use the audio jacks & is fully Plug & Play no installation required! Supports 3D audio & is powered by USB (Universal Serial Bus) without any external power Increase the connectivity of your computer & you hear a sound like no other!- Sound Quality 51 3D Sound- Plug& Play- Mic In Audio Out Audio Audio system direct 3D sound Yes Internal No Audio output channels 51 channels Ports & interfaces Host interface USBLine-in Yes Line-out Yes Microphone in Yes Plug & Play Yes Software Windows operating systems supported Windows 7 Home Premium Windows 8 Windows Vista Home Premium Windows XP Home Packaging data Package width 171 mm Package weight 65 g Package depth 85 mm Package height 36 mm System requirements USB required Yes Technical details IO ports 1x 35mm Audio Out 1x 35mm Mic In