1.Smallest Bluetooth 5.3 Car Adapter on The Market: To reduce your driving burden, this car charger Bluetooth transmitter adopts a more compact structure, which is 30% smaller than the same FM transmitter on the market, solving the problem of overweight head and allowing you to shift gears easily. 2. PD USB C & Apple Retractable Cables: To enhance your driving experience, our fm transmitter includes a 30W USB C and a 12W USB Apple retractable cable, eliminating the need for extra cords and effortlessly charging both Apple and Android devices. The retractable cables of car charger extend up to 80cm and retract smoothly for a tidy car interior. 3. 69W 4-Port Charging Powerhouse: The 69W Bluetooth Transmitter with multi port, with its PD 30W USB C and 12W Apple retractable cables, alongside a 15W USB C and 12W USB A port, delivers high-efficiency charging for five devices simultaneously. 4. Upgraded Bluetooth 5.3: car bluetooth transmitter uses an upgraded Bluetooth 5.3 chip, optimizing the transmission delay and connection defect problems of the old Bluetooth 5.1, Bluetooth 5.3 will bring you a faster, more stable and smarter connection with less sound quality loss, uninterrupted calls and music experience. It takes only 1 second to complete pairing, and no need to repeat pairing after the first successful pairing with your device. 5. More Safer & Fast: This bluetooth FM transmitter is equipped with multiple protections such as over-current, over-voltage, over-heat and short-circuit, ensuring charging while driving! 6.Crystal Clear Music Streaming: This anti- statics designed, and equipped with noise and wind suppressed by CVC technology that can achieve full duplex sound quality. Automatically connect memorized paired when powered on. Support WMA MP3 WAV APE FLAC music formats. (Supports Bluetooth/USB flash drive.)