Description: [USB Powered Stereo Speaker] Simple design speakers, compact appearance. with so much music comes through crisp and clear which provides you a more enjoyable stereo sound experience with this elegant and sleek sound bar speaker [Easy to Use] Plug and USB powered with 3.5mm audio , just plug the USB cable into your device or the wall and plug the 3.5mm into your audio device and not need drives [Adjust Volume USB Desktop Speaker] Turn the speakers on and the volume up with one simple control behind the speakers for quick access [Wide Compatibility] This mini USB speaker compatible with PC, laptops,desktop,notebooks,computer,smart phones, cellphone,, MP3, MP4 and more devices [Compact Design] The small size allows the speakers to easily sit on your desk. And the USB you can take them with you and plug directly into your computer for music on the go Specification: Input Connection: 3.5mm Audio Interface Output power: 3W * 2 Input Power: USB DC 5V Frequency range: 100Hz ~ 20kHz SNR: = 85 dB Speaker system: 2.0 portable USB speakers Size:7x7x6.7cm Package Includes: 1 Pair 3.5mm USB Speaker