【Bluetooth 5.3 Technology】The latest Bluetooth 5.3 technology has a faster and more stable connection. It intelligently identifies and reconnects the last paired device. We optimized the antenna and signal for this FM transmitter so that it has extremely low latency and you will have a better call and music experience. 【Hi-Fi Music & Bass mode】The music function that we care about is now shown without any reservation.LENCENT has designed the music module for listening. You can choose HIFI stereo sound, or switch to BASS mode with one touch to feel the shocking effect. Turn on your speaker,now everything is different. 【PD 30W & QC 3.0】, This wireless bluetooth car adapters are equipped with PD 30W & QC3.0 Fast Charger, Its 30W USB C port can charge your iPhone to 85% in 30 mins. It comes with smart charge monitoring to prevent overload, overcharge, short circuit and other accidental situations 【Dual Microphone & Clear Sound】Dual microphone can collect your voice from all directions, equipped with the latest CVC8.0 noise reduction and digital signal processor (DSP) technology inside, clear and without rustling noise. It supports one-touch button to answer/redial/hang up/reject calls. Supports Siri/Google Assistant intelligent voice control to play voice from existing navigation apps. 【Compact and Colorful】This FM transmitter is so small that it won't block other buttons on your car. Each button is a physical button that can be pressed easily. It is equipped with colorful breathing lights to bring you a more suitable atmosphere for listening music. If you need to concentrate on driving, you can turn off the lights with just one button