General Spec Brand Genuine DYNAMIC 8 Color black Frequency Range 88.1-107.9MHz   Input DC12V USB Output 85V 1A max Compatibility iPhone 4G, iPod, MP3/MP4 and any cellular phone with 3.5mm plug Features Connect your iPod & 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 connect with your iPhone for hands-free through car speaker system, or use the cable connect with your other MP3 devices for transmitting the music. Standard USB output socket provides the charging for your devices. The flexible goose pipe makes it convenient to find the best position for your device.