The built-in DSP sound optimization chip upgrades the sound even further. These speakers are small in size but big in sound performance.Built-in Bluetooth 5.0 receiver,it allows wireless music streaming too (in Bluetooth mode). You can wirelessly connect with your computer, phone, tablet etc.Plug in and use, the computer sound bar speaker turns on automatically after plugging in the USB port.You can control all functions with a click, including volume adjustment, bluetooth pairing, pause/play music, and an-swer hands-free calls under Bluetooth mode..Slim and stylish, save space and make the desk clean. Modern and stylish aesthetics, perfect for any modern ho-mes, offices and work spaces.