Built-in Dual 3W High-Sensitive Driver and Passive Radiator. NOTE: This speaker no volume control buttons, you can adjust the speaker volume on your devices.
One Cable for Both Audio & Power. No need for 3.5mm AUX jack, the single USB cable can feed both audio and electrical power for the USB computer speaker. Greatly help you avoid messy cable. NOTE: There is no physical volume control knob on the speaker.
Compatible with Windows PCs. The Upgraded USB Computer Speaker works great with various brands of Windows (Vista/7/8/10) PCs, such as HP, Lenovo, ASUS, Dell, Acer, LG or more.