This sound bar has a fantastic 3D stereo surrounded sound performance, Flexibly placing Fashion and portable design suits any usb device.This computer sound bar speaker can perfectly all computer. Make you have a wonderful hearing experience! Space-saving design, they can be conveniently placed next to your PC monitors without compromising on valuable desk space.The single USB cable can feed both audio and electrical power for the USB Desktop Speaker. Greatly help you avoid messy cables. Power: 6W (3*2W) Power supply: USB Signal to noise ratio: ≥75dB Channel: 2 Operation mode: plug and play