Features            Wide frequency range and long transmitting distanceCompatible with iPhone， iPod， MP3， MP4 player， mobile phonesUSB interface is accessible to computerHands-free， memory for last frequency functionsHigh fidelity stereo， digital PLL technologyLCD display with backlightPowered by rechargeable built-in lithium battery                                                            Specifications            Dimensions    (2.32 x 0.98 x 0.39)" / (5.9 x 2.5 x 1) cm (L x W x H)    <br>Weight    0.46oz / 13g    <br>Color    White    <br>Compatible    iPod / iPone / MP3 / MP4 Players ， Mobile Phones    <br>Function    Hands Free， Digital PLL， Memory for Last Frequency， LCD Displays with Backlight    <br>Power Supply    1 x Rechargeable built-in Lithium Battery    <br>Charge Time    5 Hours    <br>Range Distance    30cm ~ 60cm / 11.81" ~ 23.62"    <br>                                                            Package Includes            1 x FM Transmitter1 x USB Cable