[3w] usb computer speaker, pc speakers for desktop computer, small laptop speaker with hi-quality sound, loud volume and rich bass lielongren <b>lielongren</b><br> model: llr047a<br> usb powered computer speaker<br><br> <b>key features</b><br> built-in 3w high-sensitive drivers for high quality sound. <br> richer bass with passive radiator. <br> plug and play, very easy to use. <br> compatible with all windows (vista/7/8/10) pcs. <br> compatible with some mac os & chrome os laptops. <br><br> <b>specification</b><br> input: dc5v/500ma<br> speaker power: 3w<br> impedance: 4ω<br> enhanced bass: passive radiator<br> frequency response: 140hz – 20khz<br> usb cable length: 3.3ft<br> dimension: 80 x 80 x 70mm/ 3.1 x 3.1 x 2.8inch<br> weight: 250g/ 8.8oz<br><br> <b>package list</b><br> 1 x usb computer speaker<br> 1 x user manual<br> 1 x lielongren service card<br><br> <b>warranty</b><br> <b>45-day full refund: </b> if you are not satisfied with the speaker or the speaker doesn't work as advertised, you can contact us for full refund. <br> <b>18-month warranty: </b> if there occur any quality problems within 18 months, you can contact us for replacement or refund. <br>