Fm Transmitter Wireless Bluetooth 5.0 Durable Car Usb Charger Adapter Multifunctional Qc3.0 Quick Charge Radio Player Portable Description: Product Features: Quick Charge 3.0: Ensure fastest and most efficient USB charging technology, provide up to 4X faster than standard chargers, you can charge compatible devices to 80% within 35 minutes. Crystal Clear Music Streaming: You can stream music on your car stereo via Bluetooth/ USB Flash Drive (32GB) / Card (32GB). Note: WMA MP3 WAV APE FLAC music formats in USB flash drive or card are supported. Hands-free Calls: Offer stable connection and echo-cancellation effect, reduce background noises for better hands-free calls, so you can answer phone calls with a press of the button. Functions: Equipped with a voltmeter to show you the condition of your car battery. Voltage should be between 13. 2V to 14. 7V when your car is on and moving. 12. 2V to 12. 8V when your car is parked and ignition is off. Compatibility: 12V/24V adaptor, work with any Vehicle type car/van/trucks/boats that has a FM radio receiver and no Bluetooth functionality. Specifications: Product Specification: TypeBluetooth FM Transmitter Working Voltage12V-24V USB Output VoltageDC / 5V Dual USB Output CurrentQC3.0/USB 2.4A Bluetooth VersionBluetooth 5.0 Effective DistanceAbout 10M Launch Distance