... AUX IN,connect with TV , cell phone , mp3 ipod, Iphone,Ipad,PC as Hi-fi speakerBuilt-in HD digital FM radio module 87 ... .5-108MHzFrequency response: 80HZ---18KHZDC input:5VBuilt-in lithium battery and rechargerableEmbedded HI-FI stereo speaker & digital ... , instruction manual etc) Approval: CE,FCC, RoHS Warranty: 1 year Mini Speaker with USB/TF Card/FM