USB Powered Stereo Speaker System | Small Size | with Volume Control & 3.5 mm Aux Audio Plug | to Connect to Laptop, Notebook, Desktop, Computer | Black Orange SMALL SIZE, GOOD SOUND: Two speakers with dimensions at less than 3 inches per side, to output full, rich audio from your PC/laptop/notebook USB POWERED: Both speakers draw all their power through the USB connection so you don't have to worry about finding an outlet or carrying around an adapter. The USB cable length is 3 ft long. 3.5mm AUDIO PLUG: Audio plug quickly connects to most PCs and mobile devices. Need to connect audio plug to computer for sound to operate. The USB cable is 3 ft long. VOLUME CONTROL: Rotary - quickly adjust the volume of the speakers without having to change the volume on your device BUILT FOR TRAVEL: Compact form and durable construction mean you can have sound most any place you go; a great fit in your laptop bag, briefcase or bookbag Full-range stereo sound and compact size optimized for mobile listening Easily connects to notebook computers and other USB-equipped devices Self-powered via USB and easy to install - require no batteries Dual external speakers improve stereo separation and sound fieldIdeal to enjoy and share music and other audioShielded to prevent distortion and maintain clear, crisp sound