MaterialABSWeight156g) About this item High Version of Bluetooth 5.0: The FM transmitter uses high version Bluetooth 5.0 which not only achieves stable connection and echo cancellation, background noise reduction and better hands-free calling. The upgrade breaks the ability to connect up to 2 phones. 7 Light Color Switch: Short press "M" to change the light color at any time. Change the red/orange/yellow/green/cyan/blue/purple/burst light sequence and you get a visually stunning color display. The perfect way to boost the ambient light in your car. Dual USB Charging Port: The Bluetooth transmitter can automatically detect the charger type, USB1 5V/2.4A fast charge, USB2 QC3.0, get the maximum charging current 5V/3A, save your charging time and protect your phone charging at the same time. 3 Music Playing Modes: The Bluetooth car kit can play high quality music (MP3/WMA/WAV format), supports Bluetooth input, TF card input, AUX input mode; FM full frequency timely broadcast 87.5-108MHZ. Compatible with SIRI/GOOGLE: The FM transmitter supports activating the mobile phone Siri/Google voice assistant to ensure safe driving. One-touch voice assistant function to make calls, send texts or get directions and enjoy full voice control while driving.