The Griffin GC16035 i Mic USB (Universal Serial Bus) Audio Interface lets you connect microphones & sound inputs to your Mac or PC, easily. The compact i Mic gives you switchable mic & line-level inputs & a handy line-level output for connecting headphones or monitors. Great for laptops, this little bus-powered interface goes anywhere you want to go, & it provides great sound quality. It comes complete with Final Vinyl editing/EQ software for Macs & Audacity production software for PCs. You also get a stereo audio cable equipped with a ground connector to prevent hum. The i Mic USB (Universal Serial Bus) is an amazing value. The original USB (Universal Serial Bus) audio adapter! i Mic lets Mac & PC users add stereo input & output to USB (Universal Serial Bus) computers even if they lack audio-in or -out ports. i Mic means that you can connect microphones & other input devices to your i Book, Power Book, Power Mac or other Mac or PC systems. i Mic supports both mic & line level inputs via a selectable switch, & provides a line-level output for connecting speakers or headphones. Hardware control: Slider switch for mic/line level Cable length: 18"