AGPtEK Car Wireless Bluetooth FM Radio Transmitter& Car Charger, Music Control, Hands-Free Calling, with USB Charging (Silver) Wirelessly transmit phone calls & music, GPS voice navigation from Bluetooth enabled devices through your cars radio Perfectly support MP3 music playing from your cellphone by 3.5mm audio cable, and it also supports Micro SD Card playing Built-in microphone makes hands-free calls easy. you can greatly enjoy music and picking the call up during driving for safety with the product A universal USB charging port for charging mobile phones and other devices (output: DC 5V/1-2.1A), so you can power up while you're talking or listening to music With memory function, Bluetooth auto connect after the first connection