1:Support USB/TF Card/FM function 2:Built-in LED Display,Digital screen display working state 3:Built-in lithium ... *55(mm) (not any license included)Performance configuration:Built-in LED Display,Digital screen display working stateBuilt-in Audio decoder,Automatic ... work(include your brand,OSD, Color box, shiping mark, instruction manual etc) Approval: CE,FCC, RoHS Warranty: 1 year wireless car ...