Fashionable Mini Digital Speaker 1. With Playe Function 2. Suitable For:Mp3,Mp4 ... power switch, when the LED on, the speaker start to work. Use 3.5 Connecter and U-Disk or SD ... Card thos capacity below 16GB.Connect to cell phone, use 3.5 connecter,and control the volume via cell phone ... .Use original charger or the one output below 650Ma,5.0V,While charging, don’t play. Fashionable Mini Digital Speaker ...