?Hassle-Free Service?: When you purchase this mini speaker for laptop, you'll receive a quick start guide and our friendly 18-month replacement plus lifetime customer service. This makes your purchase absolutely risk-free and pleasant, so you can buy with confidence. ?Wide Compatibility?: The MARBOO USB Powered Speaker is compatible with any device that has a USB port, including PCs, laptops, tablets, and projectors. You don't need a 3.5mm AUX jack or drivers to use it, making it incredibly convenient. ?USB External Speakers?:Portable laptop speakers with 3w*2 large dual drive unit and maximum 6W output, monitor speakers deliver impressive sound quality.✓NOTE: This portable mini sound bar has no volume control buttons, you can adjust the speaker volume on your devices. ?Plug and Play?: The MARBOO USB Powered Speaker is a breeze to install and use. Plug it into the computer USB port — click the “Speaker” icon in the taskbar — select “USB Speaker” as your computer playback device. Then, the USB speaker is ready to work for you.✓NOTE: This USB pc speaker has no volume control buttons. ?One Cable for Both Audio & Power?: External laptop speakers.No need for a 3.5mm AUX jack, a single USB cable can provide audio and power to USB computer Bluetooth wireless speakers. Greatly helps you avoid messy cables. ✓Note: There is no physical volume control knob on the speaker, you can adjust the speaker volume on your devices.