mini car speakers 1:Support USB/TF Card/FM function 2:Built-in ... Display,Digital screen display 3:Built-in lithium batte Mini Car SpeakerSupport USB/TF Card/FM functionUnit Price: SNR:> 85dBRated ... plugging Support AUX IN,connect with TV , cell phone , mp3 ipod, Iphone,Ipad,PC as Hi-fi speakerBuilt-in HD digital ... manual etc) Approval: CE,FCC, RoHS Warranty: 1 year Mini Car Speaker with USB/TF Card/FM