The Gizzu Bluetooth Vent-mounted Handsfree FM Transmitter + Dual USB Charger allows you to easily manage your Car audio or phone calls while driving. It features a vent-mounted handsfree design, Multi-function Button to play and control music, Bluetooth and USB support, Quick Charge 3.0, Micro SD support, 3.5mm Aux support and Voice Assistant support for a totally hands-free experience when driving.