Feature:Support:TF card，SD card，U stick to palyFM function with wire for more frequencyExtra loud and sound qualitySupport 3.5 earphone portSupport AUX 3.5 audio wireFor mobile phone，PC，MP3，MP4 ETCMulti charge:external li-battery，charge by PC，USB charge.Support TF Card/SD Card、U Disk (MP3 Format)，also for Ipod， Mp3， Mp5 player， PC & Mobile phone. FM