EF0063L Features High-fidelity， full frequency Low current， low power consumption Comes with car charger Support remote operation Also can be directly powered by iPad， iPhone， no additional power needed General Specs Model A-04 Type Car FM transmitter Sound  Stereo sound  Screen Digital PLl LCD blue backlit screen  Frequency Range 88.1-107.9 MMHz Compatibility iPhone 3GS， iPhone 3G， iPhone 4S， iPod series Dimension 4.6 x 3.2 x 0.9 cm Package Details Weight: 79.18 g Size: 15.3*10.6*2.5 cm Package Includes * Car FM Transmitter