Hello everyone, A TV speaker, the best speaker for gaming screens because gaming screens come without sound. You can connect this speaker to your PC, PlayStation, or the TV screen itself via AUX (blue) and USB. The sound is clear and powerful, and you can adjust the volume up and down. It comes with a blue knob. Reason for selling: No longer needed. Description on the website: Wired stereo desktop speaker powered by USB, suitable for computers, desktops, laptops, tablets, phones, CD players, and wireless speakers, 3.5mm port, TV screen.