Bluetooth 5.3 FM/AUX Bluetooth Car Adapter,[Air Vent Installation & Bass Boost] 3 Ports PD & QC 3.0 FM Transmitter for Car, Radio Bluetooth Receiver for Car HD Calling and Enjoy Music

[FM Transmitter & AUX Adapter] Bluetooth FM transmitter can be easily used in cars without built-in bluetooth. It doesn't need to be charged, just plug into a 12-volt outlet and tune to a specific radio station. and with a 3.5 mm jack. [Hi-fi Bass Boost] After self-optimizing the sound, this FM transmitter will transmit high-fidelity, well-balanced audio from your device to the car system. [Much Safer Driving Experience] Bluetooth car adapter mounted to the air vent would be closer to your eye level. It is so nice that you don't need to lower your head.

Its comparatively bigger button allows you to easily adjust without worrying about pressing the wrong button.