F28B FM Transmitter 3.5mm Audio with Car Charger for iPhone 5S 5C iPad Air iPad Mini 2 iPod Touch 5 Nano 7 The operation of the above will also allows provides hands-free talking through your car speakers. (only can be used when 3.5mm audio connected Now you can enjoy your digital music with full sound and convenience. Compatible with virtually any Smart Phone and MP3/ MP4. Full frequency range design effectively avoids interruption.