... TF card 3.CE,RoHS,FCC certificate mini sound box with card readerSpecefication: 1.Out put power : ... radio 3. Built-in speaker 4. Outer LED light have illuminate function 5. Compatible with audio format ... once charging completes, the light turns off; When power is on, indicator light turns pink while charging, if ... power on but not charging, the indicator light turns blue.3..DC-5V: Direct current 5V( ...