PD 20W & QC 3.0 Fast Charging, 4X FasterWireless bluetooth car adapters can fast charge two devices simultaneously via PD20W and QC3.0 port, 4X faster than standard chargers. This car charger also features a USB charging port (5V/1A) as a USB flash drive port to play music. FM transmitter with built-in overcurrent protection, overvoltage protection, overcharge protection, overload protection, overheat protection and short circuit protection, ensure safe charging of the radio adapter charger.Advanced Bluetooth 5.3 Technology & Voice NavigationBuilt-in Bluetooth 5.3 chip provides stable connection for streaming music over FM frequency and making hands free calls. Built-in microphone, supporting smart voice navigation from your phone, streaming the audio from navigation app/Siri/Google Assistant to your car. Easy to answer or end a call with one key. No need to hold your phone. This handsfree call car accessories make your driving process safer.Anti-Statics Designed, Strong Dynamic Hi-Fi bass boost & BacklitExclusive fm transmitter radio is anti-statics designed, with powerful bass-driven tech, you can enjoy 100% more bass than ordinary Bluetooth FM transmitter via the music sound effect button b. (Moreover, Long press b button for 2S can turn off the ambient light) The Upgraded Blue tooth 5.3 with DSP technology could deliver 2X steadier transmission speed, surrounding blue LED backlit pulsing with the rhythm.Secure Joystick Design & Hands-Free CallingThis fm transmitter selects user-friendly analog joystick controller, superior to competitor' usual rotary switch, which simplifies the whole operation by simply pulling the stick, saving the trouble. Hands free function ensuring driving safety, answer/reject/hand up/recall all in One key.Wider Range & CompatibilityWireless Radio Adapter Car Kit fits most of the smartphones and more devices that equipped with bluetooth function. such as iPad, iPhone 14 13 12 11 Pro Max Mini, iPod, Samsug Galaxy S22 S21 S10 S9 Note 20/10, Sony, MP3 player, Huawei, tablet and Android Smartphones. And all vehicle types including cars, vans and trucks(12-24V).Smooth Streaming, No InterferenceNo need to worry about audio lag or signal clashesthis adapter works in harmony with your cars electronics. Whether youre navigating with GPS, taking hands-free calls, or just vibing to your favorite playlist, the connection stays strong, static-free, and perfectly in sync.