SonaVERSE O2i Back to School Gaming USB Computer Speakers w/ LED & Volume Control - Works great w/ your Windows PC Desktop & Laptop - Incl. Cleaning Cloths The O2i USB-powered speaker system is ideal for home or dorm room desk setups! The Plug-N-Play design draws power from your USB port, so no external power adapters are required. The built-in audio jack lets you plug into nearly any 3.5mm audio device, including phones, tablets, laptops, iPods, and more Additional features include built-in blue LEDs with an optional On/Off switch for added ambience, as well as a rear-loaded volume control on the back of the O2i for quick audio adjustment TECH SPECS - - Speaker output power: (3.5w x 2) 7W RMS; 14W Peak / Drivers: 2.0 with dual passive bass woofers / Impedance: 4 Ohms / Frequency response: 120Hz  20KHz / Signal-to-noise ratio: &gt; 80dB / Input power: standard USB DC 5V / Input audio: 3.5mm audio plug / Dimensions: 5.8 x 4.4 x 2.7 in. (each speaker) / USB Audio cable length: 5 ft / Speaker separation: up to 3 ft. apart / Weight: 2.5 lbs Guaranteed Quality - 3 Year Manufacturer's Warranty