USB-Powered Desktop Multimedia Speakers for Laptop and Computer Dual HiFi Sound Units with Volume Control Rotary Knob Anti-Slip Base Compatible with Notebook Tablet Devices

- USB speaker:strong anti-interference and anti-static, reproduce clean and clear sound,Compact Laptop Speaker - Mini speaker:35mm input with USB 20 powered, compatible with most 35mm device,speaker for notebook - Speaker for laptop:compatible with desktop computers, laptops, mobile phones, mp3, mp4, etc,Multimedia Speaker - Desktop computer speaker:you can adjust its volume easily with its wire control rotary knob,speaker for desktop computer - Laptop speaker:stereo design allows you to enjoy high fidelity sound,USB-Powered Desktop Speaker