Wirelessly transmit your music phone calls and more through your vehicle's FM radio via Bluetooth. If your device does not have Bluetooth an aux port is available.An included remote allows you to conveniently and safely switch between radio stations control your music pick-up calls and moreCharge your device with the built-in illuminated USB port. The port provides you with 2.1A which allows your smartphone to charge safely at its fastest rate possible.Bluetooth enables a vehicle for hands-free smartphone use and to stream audio from your phone through the stereo systemFM transmitter with digital display and audio jack to connect direct to vehicle auxiliary port using 3.5 cable (included)Charges two devices at once with dual USB portLED digital display shows FM frequency in useSpecsBluetooth V5.0FM Frequency range:87.5 to107.9Input:12-24VDC=3AOutput/Sortie USB: 5VDC=2.4A, 12WOutput/Sortie USB-C: 5VDC=3A9VDC---2A, 12VDC=1.5A(18W)USB PD 3.0