[7 -colored LED light] Green/red/blue/yellow/camg be i/purple/white/vibration, including 7 light color, showy outer electronic vehicle kit makes your vehicle more enjoyableLED light can be closed PD 20W and QC 18W fast charging] PD 20W and QC3 fast charging port and a normal 5V/1A USB port (U Disk Port), this Bluetooth FM transmitter allows you to charge 3 devices at the same time while listening to music 3 Music playing mode] Bluetooth supports playing, microSD card playing (up to 32 GB), USB Flash drive playing (up to 32 GB)Caution: To prevent any noise (select an empty radio station to prevent signal parasitis) Bluetooth V5 and Eller Free Vehicle Kit] With an advanced Bluetooth V5 chip, this fm transmitter Bluetooth provides faster matching and more stable sound than others Voltage Warning Function] Bluetooth FM transmitter for the car is suitable for all 12V-24V cars, trucks, SUVsThe LCD display can show the available FM radio station and monitor the battery voltage in real time