... 1,With FM transmit function 2,Smart Li-ion polymer battery 3.smart LED indicator Iphoen4 FM transmitter battery ... lighted on for showing out the related fault.2,with smart power charging managment,monitoring circuit and ... %.40%,60%,80%&100%6,with FM transmit function,and 4 FM transmit frequency(88.1/88.5 ... Iphone4 Packng Info:Packing:Gift boxPacking size:20*11*2.3cmUnit weight:100gcarton spec:56.5*37.5* ...