Computer Speakers Stereo Home Cinema Sound Box Subwoofer Loudspeaker for PC Laptop Notebook Soundbar Not Bluetooth Speaker. Computer speakers needs to supply power by USB Port,cable length is 1.6m. Small size, high volume, dual speaker stereo, mini does not occupy the desktop. Surround sound, powerful bass, compact and easy to store, USB interface power supply, wired volume control, low power consumption, no electricity. 360 Degree three-dimensional surround, the left and right speakers sound at the same time, and the level is clear to put you in the surround sound field. Colour:Black Material:PE plastic + paint Size:64x61x86mm Package Contents: 2 * Computer speakers Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.