PD 20W + QC 3.0 Fast Charging with multiple USB ports - Fast charging performance: 1 USB-C fast charging port (PD 20W) and 1 USB-A fast charging port (QC 3.0) provide efficient charging for phones and tablets. In a vehicle with a USB-C fast charging port, it can bring a phone from 0% to about 80% in ~40 minutes. - Additional high-speed port: 1 USB 3.0 port is 4 times faster than a standard charger. - Extra USB port for music: 1 additional USB charging port (5V/1A) can also be used as a disk port to play music. Bluetooth and audio features - Bluetooth 5.0: delivers a stable connection with low latency for music playback and hands-free calling. - Media playback from SD/TF: Micro SD Card (TF Card) port supports lossless sound quality. - Siri compatibility: supports Siri for voice navigation. Compatibility and controls - Broad compatibility: Compatible with iPad, iPhone, Galaxy, Google, LG, HTC, and all other phones and tablets. - Easy car use: simple controls to answer or hang up calls, auto search for stations, and straightforward operation in the car. Display and car battery monitoring - LCD display: may show the current FM radio station and monitor battery voltage in real time. - Battery status awareness: the car adapter helps track the status of your car battery and can help prevent related problems, contributing to safer driving. Use scenarios - Daily commuting: charge two devices quickly while streaming music via Bluetooth 5.0. - Long trips: use the TF card or USB disk port to play locally stored music for a longer, interruption-free listening experience. - Battery monitoring on the go: monitor real-time battery voltage to stay informed about your vehicle’s electrical system. Overall, this Bluetooth FM transmitter combines fast charging, versatile ports, reliable Bluetooth connectivity, and multimedia options in a single car accessory designed to enhance charging, listening, and in-vehicle information.