General Spec Brand DYNAMZC8   Model DYNAMZC8-B68    FM Frequency 88.1-107.9 MHz. Input DC12V Output 5V 1A max Effective distance ≥ 5m Function ideal for charging for your iPod, iPhone Compatibility compatible with Apple iPhone 4/3GS and iPod and MP3/MP4 or any cellular phone with 3.5mm plug Others Features All in one FM hands free car kit and FM transmitter for iPhone 4/3GS, iPod etc. Connect your iPod and iPhone with the iPod plug then you can enjoy music while in charging. Use any FM station from 88.1-107.9MHz to bring you the perfect high quality music from your iPod/iPhone. Use 3.5mm audio cable to connect with your iPhone from hands-free through car speaker system. It also can use the cable connect with your other MP3 devices for transmitting the music. The flexible goose- pipe makes it convenient to find the best position for your device. It is compatible with every car in the world. Goose-pipe with rotation prevention design keeps the iPhone or any other device steady and firm in its position. Using a flexible clamp, the holder keeps your device in place. High quality silicone gel on the back and sides protect your device from being damaged. Standard USB-A (5V, 1A) output socket provides the charging for mobile phone, GPS and the other device.