... for mp3, mobile, computer with good sound quality and low price Portable speaker/ multimedia speaker/Hamburger mini speakers ... InputMINI USB (5V/500mA)UseHome Theatre, Portable Audio Player, Mobil, laptop, etc.ColorOptionalRecharge1. Via a ... Source:* 3.5mm audio LINE-INSimply connect your mp3 player, iPods, mobile phones via standard 3.5mm ... sound card inside the speaker. mini hamburger mp3 speaker