... play music while charging.2, LINE IN: audio input3, on display: digital display4, support TF card USB MP3 player5, OFF/ON: switch ... performance is excellent.3, the new concept of integrated stereo digital audio for portable mobile music, connect your MP3, MP4, ... supply, allow you tolisten anytime, anywhere to digital glamour.6, the top mirror LED display, instantly displaying the MP3 player and FM ...