<ul><li>Sexual dryness ratio: or equal to 85DB</li><li>Frequency response: 150HZ-20KHZ</li><li>Power supply: USB DC5V</li><li>Impedance: 4Q</li><li>Output power: RMS3W x 2</li></ul><br><br>Kqcibz USB specification: 2.0 compatible with 1.1 Unique appearance, small size, easy to use and carry Comes with computer cable, plug and play, easy to use Surround stereo sound, making listening to music a pleasure Extraordinary sound range expansion playback system, wide sound range, making stereo field sense unique, bringing shocking speaker experience colour:Silver grey Material:ABS size:17*7*6.5cm Package Contents: 2 * Speaker 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.

Kqcibz 2 Pcs USB Computer Speakers Portable Speaker Stereo 3.5mm with Ear Jack for Desktop PC Laptop, Silver grey, 391653