Features:Adopt full-closed full frequency speakers, strong and shock sound.Small elevation dual speaker design, restore the natural sound quality, interpretation of real stereo surround sound.ABS material, the bump in the daily life will not cause damage to the speaker easily.USB interface for power supply, widely compatible with desktop computer, laptop, mobile phone, tablet, MP3 and other multimedia devices with 3.5mm audio interface.Humanized volume adjustment roller, convenient to use.Specification:Type: Wired computer speakerColor: WhiteRated power: 2.5W*2Speaker diameter: 4 3WRated impedance: 4Input voltage: USB 5VCable length: About 1.1mSingle speaker size: 13.9 * 7 * 6.8cm /5.47 * 2.76 * 2.68inItem weight: Approx. 261g /9.21ozPacking list:1 * Pair of speaker