Features: This FM transmitter has an improved double microphone design and is equipped with noise reduction and cancellation technology. It can connect, hangs up and reject calls, giving you a better hands-free experience. Immerse yourself in surround sound with the bass speakers and 360 low frequency of this 48W Car Transmitter. FM transmitter car is equipped with PD30W and QC3.0 18W fast charging ports that allow two devices to be quickly charged at the same time. This transmitter for car bluetooth-compatible uses an improved 5.0 chip, which makes transmission faster, more stable and safe. Provide bluetooth-compatible and U-disk as two playback methods. This bluetooth-compatible transmitter uses a 7-colour LED light bar, which makes it easier to find the transmitter faster when driving at night (the light can be switched off). At the same time, it is equipped with an LED indicator that automatically detects the voltage when starting. Specifications: Material:ABS Input: DC12V-24V QC3.0 output: 5V=3A, 9V=2A, 12V=1.5A PD30W output: 5V=3A, 9V=3A, 12V=2.5A, 15V=2A, 20V=1.5A PPS: 3.3-11V 3A, 3.3V-16V2A Total power: 48W Protocol: Bluetooth-compatible 5.0 Size:Approx.50mm/1.97''x45mm/1.77x70mm/2.76'' Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x FM Transmitter