Do you want to enjoy beautiful and high quality music when you driving a car? Do you want to learn English when you driving a car? Do you want to expand the function of your iPhone at a large degree? If your answer is yes， this FM transmitter is your best choice. Plug this FM transmitter into your iPhone， the beautiful music will come out as you wish. It is easy to install and convenient to use. Made of high quality material， it can be used for a long time without any problems. You will never regret that grasp a chance to make your life more beautiful. Believe me and believe yourself.                                    Features            206 preset FM channelHas the power and memoiry functionsSD/MMC slot to SD/MMC memory cardsUSB connector for USB flash disk and MP4/MP3 playersAudio input jack to device with audio outRead/play MP3(or WMA)Status LCD display12-24V DC car5A power consumptionAudio extension cable for devices with audio out fuse protection                                                            Specifications            Frequency Response    87.5Hz-408.0MHz    <br>Effective distance    ＞5m    <br>Operation temperature    -10℃-+55℃    <br>Dimensions    (26 x 6.5 x 1.8)cm / (10.23 x 2. x 3.15)" L x W x H)    <br>Weight    102g / 3.6oz    <br>Color    Black    <br>Compatible with    iPhone 3/4/4S/iPod Touch 2/3/4    <br>                                                            Package Includes            1 x FM Transmitter