Gateway MultiMedia USB Flat Panel LCD Monitor Speaker Bar System - 2522547R Compatible with Gateway (and possibly other brands) LCD Flat Panel Monitors - 17" and 19" Easy to Install. Powered by Your Computer's USB Port. Requires No External Power. Has an External Volume Control / On / Off Dial as well as 2 Headphone Jacks and a Microphone Jack Color: Black. Sleek, Contemporary Design with LED Power Indicator Great for Listening to CDs or DVDs or Watching Movies and Can Also be Used with IPODs