... ,Digital screen display working state 3:Built-in lithium battery Mini Car SpeakerSupport USB/TF Card/FM functionUnit ... speed port,Support USB HOST,hot-plugging Support AUX IN,connect with TV , cell phone , mp3 ipod ... HI-FI stereo speaker & digital decoder Interface:Accessaries:Mini USB Port:*1USB Cable:*1AUX IN Jack:*1Audio Cable ... Approval: CE,FCC, RoHS Warranty: 1 year Mini Speaker for Phone,MID.PAD,PC