The Labtac Multimedia Speaker Pulse 485 Stereo Channel Sub Woofer is a portable speaker system designed for computers. With its sleek cube shape and black color, this speaker system from Labtec includes a subwoofer for enhanced audio performance. It is compatible with Logitech products and features wired connectivity with stereo L/R RCA and 3.5mm jack audio inputs. The Pulse feature adds a touch of excitement to your multimedia experience, making it a great choice for those looking to upgrade their computer speakers.