Bluetooth V5.0- Bluetooth V5.0 chip ensures faster data transmission speed and more stable connection. Automatically connect to the memory queue at startup. Plus a 30W PD Type-C port and Quick Charge 3.0 port lets you charge your devices up to 4x faster than standard chargers. The other is a 5V/1A interface, which can be used for USB music playback. 7-Color LED Design and MakingBasic Mode- This FM transmitter with 7-color LED backlight can change from red/green/blue/orange/purple/cyan/white to light up the interior of your car Decoration layout looks cooler and more attractive. Long press the light button to switch the bass mode, giving you a high-quality stereo experience. Safe Hands-free Calling- This car radio transmitter has a built-in microphone and DSP and A2DP dual-core technology, with clear sound quality, providing you with convenient hands-free calling and smart radio navigation. Elaborately designed to allow you to answer/hang up/reject calls/redial the last number through the multi-function button to ensure your driving safety. 3 Playback Modes- This Bluetooth car radio transmitter has 3 music playback modes, including Bluetooth connection, U disk and AUX playback. It supports music in MP3/WMA/APE/FLAC format. This wireless bluetooth radio adapter also supports Siri or Google, long press the next button for 3 seconds to activate Siri/voice assistant to call him, send a message or get directions. Multiple Safety Protections, Easy to Install- Built-in smart IC, which automatically matches the power required by different devices, making charging faster and safer. It also has functions such as over-current protection, over-voltage protection, and over-heat protection. It comes with a valve clip that you attach to your car's air diluter.