This is the latest intelligentized transmitter admired by more and more people. It is able to transmit audio frequency with the help of wireless setting. Plug this FM transmitter into your cell phone， and you can enjoy yourself while you are driving. Made of high quality material， it can be used for a long time without any problem. And it is easy to install and convenient to use. Grasp a chance to make your life more beautiful. I do promise you a regretless choice with this 3.5mm Universal Hands Free Car Kit FM Transmitter Black (Manual Operation)!                                    Features             High fidelity and full frequency， stereo， digital PLL<br> The easiest way to broadcast your music while charging your cellphone<br> Transmit stereo quality sound from your portable music player to your home stereo<br> It is so universal that supports many systems<br> High stability， fast transmission and superior sound<br> Easy to operate and portable<br> Suitable for Samsung series<br> It supports manual operation<br>                                                            Specifications             Band     Bestphone    <br> Color     Black    <br> Input Voltage     DC 12~24V    <br> Output Voltage     DC 5±0.1V    <br> Frequency Range     US: 88.1-107.9MHz                               EU: 87.6-107.9MHz                               JP: 76.0-90.0MHz    <br> Frequency Response     100-15000 Hz    <br> Effective Distance     ≤5m    <br> Operation Temperature     -10℃ ~ +40℃    <br> Dimensions     (2.56 x 0.98)" / (6.5 x 2.5)cm (L x Dia.)    <br> Car Charger Length     39.37 " / 100 cm    <br> Separation     ≥35dB    <br> Full Charging Time     3-5 hours    <br> Working Current     20±3mA    <br> Output Current     ≤1200mA    <br> Compatible with     Samsung    <br> Interface     3.5mm port， Micro USB     <br>                                                             Package Includes            1 x FM Transmitter<br>