ANLENG Universal Wireless FM Transmitter Radio Car Kit Best MP3 Adapter Car Charger for Smart Phones Bundle with 3.5mm Audio Plug Transmit your tunes from portable music players with 3.5mm jack to your car stereo speaker system. Extra USB port, charging and playing music on the go. Full frequency range design effectively avoids interruption. Extra 5 pin micro charge port for android Samsung (NOT for iPhone). Simple-to-use user button interface, easy to read display.