[upgraded] usb computer speaker, laptop speaker with stereo sound & enhanced bass, portable mini sound bar for windows pcs, desktop computer and laptops lielongren <b>lielongren</b><br> model: llr050a<br> usb powered computer speaker<br><br> <b>key features</b><br> built-in 3w high-excursion drivers for full range audio.<br> enhanced 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/1a<br> speaker power: 3w (dual 1.5w driver)<br> enhanced bass: passive radiator<br> frequency response: 140hz – 20khz<br> usb cable length: 3.8ft<br> package dimension: 200 x 65 x 65mm/ 7.9 x 2.6 x 2.6inch<br> package weight: 330g/ 11.6oz<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>180-month warranty:</b> if there occur any quality problems within 18 months, you can contact us for replacement or refund.<br><br> <b>package list</b><br> 1 x usb power speaker<br> 1 x user manual<br> 1 x lielongren service card<br>