Supports TF Card / USB Connect,a standard 3.5mm Audio Cable if necessary, easy to plug in your iPod, Smartphone, tablet, laptop and other MP3 player or any audio source that uses a standard 3.5 mm jack.It has a LED Screen Display, look more elegant and clearBe available to select radio channels and MP3 music with 0-9 number buttons.it is user-friendly,With MP3 repeating and looping function, can control to loop the current ONE/ALL.In MP3 mode, when power off, can playback the current one MP3 when power on next timeWith a rechargeable BL-5C Lithium battery, can charge by connecting USB charge cable to computer or USB power adapter, or by universal charger, etcThe built-in LED flashlight, that doubles as a charging indicator - always easy to carry