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/iPod/iPad at a large degree? If your answer is yes， this FM handsfree transmitter is your best choice. Plug this FM transmitter into your iPhone/iPod/iPad， 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.                                    Features            Plays music from your phone over the RadioSupports 200 channels from 87.9 MHz to 107.9 MHzMemorizes up to 4 channelsTransmits music wirelessly to any FM radio in StereoMutes the music during callsBuilt in Lithium batteryThe width and depth is same as iPhoneStereo headphone jack (3.5 mm stereo connector for normal headphones)Built - in high quality microphoneStereo sound for high quality audioDesigned to transmit audio to any FM radio (Car / home)Automatically turns off sound coming from your car stereo when a call in received or made， channels sound throuh your car speakersLower power consumption                                                            Specifications            Output Voltage    DC 5 + 0.1V    <br>Charging Current    !#!lt!*!600mA (0.7A)    <br>Capacity    120mAH    <br>Frequency Range    US 88.1-107.9MHZEU 87.6-107.9MHZJP 76.0-90.0MHZ    <br>Transmitting Distance    ≤5M    <br>Frequency Response    100 - 1500Hz    <br>Signal - noisy Ratio    ≥60db    <br>Working Current    20±3mA    <br>Full charging time    less than one hour    <br>Working Time    about 4 hours    <br>Working Temperature    - 10°c - + 40°c    <br>Storage Temperature    - 20°c - + 50°c    <br>Dimensions    6 x 2.5 x 1cm / 2.36" x 0.98" x 0.39" (L x W x H)    <br>Car Charger    5.5 x 2.7cm / 2.17" x 1.06"    <br>Car Charger Length    33.46" / 85cm    <br>Color    White    <br>Weight    2.4oz / 68g    <br>Compatible with    iPhone/iPad/iPod/Smartphone/MP3    <br>                                                            Package Includes            1 x FM Transmitter<br>1 x Car Charger<br>