Getting great sound at your desk has never been easier.Designed for PC, Laptop & Desktop Computer.Easily use 3 buttons to control the volume on your computer.Greatly help you avoid messy cables on your desk.Enjoy impressive surround sound with 4W*2 powerful full-range speakers.Specification: Cabinet Material: plasticChannels: 2 (2.0)Input Power(W): <;25 WPackage Include: 1* Sound barIf you have any questions about the product, please contact me, we will contact you within 24 hours and give you a satisfactory answer.