[Dual Screen Display with LED Backlight] The FM Transmitter Bluetooth Car Converter has a dual screen display. The top screen shows the FM channel, while the bottom screen shows the voltage of the car battery. For worry-free driving at all , check your car voltage. You can use 7 monochromatic lighting and breathing mode to create a visually dazzling color display and make night driving . [Easy Calls] The built-in microphone supports Noise Cancellation () technology to effectively reduce noise, providing you with a clear connection with less interference. With just one click, you can , redial, end or reject calls while keeping your eyes on the road, making driving more and . [3 Music Playback Modes] Play from Bluetooth-enabled devices; USB flash drive music transfer. With this Bluetooth radio transmitter, you can enjoy a musical feast in your car no matter what device you use. DSP technology may be to play stereo audio at a constant transmission speed without distortion. [Efficient Charging]Type C and QC3. 0 ports on the car bluetooth adapter allow fast charging of two devices at the same time ( 42W). Note 20 Ultra, , 13, 12, Pixel 3 and other devices can be fast using the Type-c port, delivering up to four the speed of conventional charging. [Safe Use] The FM transmitter has built-in over-current, over-voltage and short-circuit protection functions, which can effectively avoid many problems. Color: black : plastic Package Contents: 1 x Car Bluetooth FM Transmitter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.