☺【Aux Output for Excellent Sound Quality】 This product has been upgraded and equipped with a power amplifier IC chip. As long as your car has an auxiliary input port, you can connect this Bluetooth car adapter to your car through the included AUX cable, and enjoy a better listening experience. | ✔【Maximum 38W Fast Charging Port】 Equipped with Type-C and USB charging ports, this Bluetooth transmitter can fast charge your two devices simultaneously. One is the PD fast charging port up to 20W, which can fully charge your device in 35 minutes. The other is the QC3.0 interface, which is 4 times faster than standard charging. | ☎【Smoothly & Clearly Hands-Free Call 】 This FM Bluetooth transmitter car has two built-in microphones, plus CVC noise-reducing technology. No more growling and you will get a crystal clear call experience. Answer/redial/close calls with a short press of a button, making your driving safer and more assured. | ❂【Special Large Ring Knob Design】 This FM transmitter is equipped with an anti-slip large ring knob so that every turn of the frequency or volume adjustment can be accurately positioned. With its petite stature and compact layout, this Bluetooth FM transmitter for car can fit perfectly into various car models. | ☄【 Light up Your Driving Night】 This little Bluetooth car kit contains 9 modes Backlit (1 dynamic RGB/1 static RGB/7 monochrome/off) to satisfy your different color preferences. When you're driving in the dark, the transmitter changes quietly with your music, making driving more fun, safer to operate, and less lonely on the road. | ❤【Your Reliable Driving Partner】 Our Car Bluetooth Adapter for car adopts the upgraded Bluetooth V5.0 chip, which provides faster pairing and more stable sound. 6 kinds of safety protections (overcurrent, overvoltage, overcharge, overload, overheat, short circuit) make the use more reliable and safer.