[Upgraded Volume Control] Compared with the previous version, the new USB computer speakers have 3 volume control buttons, including Volume +/Volume -/Mute, which is very convenient.[Upgraded to 8W Powerful Output] The USB speakers are built-in with dual 4W high-sensitivity internal magnetic drivers, which ensure louder volume, greater dynamic range, richer bass and lower distortion.[One Cable for Audio and Power] No driver software required, no 3.5mm AUX cable required. Plug and Play, very convenient to use.[Good System Compatibility] The desktop computer speakers are compatible with Windows, macOS and Chrome OS laptops and desktop computers, as long as they have the latest audio drivers installed for the sound card.[Wide Hardware Compatibility] The external laptop computer speakers work perfectly with various brands of personal computers, such as Apple MacBook, Lenovo, ThinkPad, HP, Samsung, Asus, Dell, Acer, LG, Google Chromebook, Microsoft Surface, etc.