Computer speaker system. Controls: Power, volume, LED indicator. Headphone output jack, magnetically shielded, cloth grill. Interfaces/ports: Headphone, Power source: USB. 2. 0-channel. USB powered stereo speaker, power on/off switch, LED power indicator. Includes CA-2016WB computer speaker system, cable assembly. 2. 0 speaker configuration. Black. Certifications and standards: ROHS, green compliant. Dimensions: 8 1/2inch(H) x 3. 3inch(W) x 4 1/2inch(D). Driver type: 3inch, Speaker type: active, Audio amplifier: Integrated. Plug type: Chrome, 3. 5 mm plugs. OEM. Compatibility: Desktop computers, laptops. Material: Cloth grill. Operating distance: 6 ft. Cyber Acoustics Computer Speaker System - High-Quality Sound. Convenient Cord Length . . The Cyber Acoustics computer speaker system operates up to 6 feet away from your computer with the included wire assembly. This gives you the flexibility to position the speakers where you'll get the best sound delivery. . . . . Master Volume Control . . Conveniently control the volume of sound output directly from a master volume control dial at the base of one of the speakers in this two-speaker set. With the Cyber Acoustics computer speaker system plugged in, you won't have to rely on your computer's audio controls to adjust the sound volume. . . . . Additional Functionality . . The Cyber Acoustics computer speaker system features a headphone output jack, so you have the flexibility to plug in a set of headphones to listen to your multimedia library. An LED light makes it easy to tell when this system is on.