Portable speaker for mp3, mobile, computer with good sound quality and low price Portable ... Audio Player, Mobil, laptop, etc.ColorOptionalRecharge1. Via a computer's USB port2. Via a compatible DC mains chargerTips: ... to a computer USB port).Music Source:* 3.5mm audio LINE-INSimply connect your mp3 player, iPods, mobile phones via ... card inside the speaker. portable speaker for mp3, mobile, computer