Universal compatibility: Cunda's Bluetooth car adapter can accept 4 different audio inputs: Bluetooth; U disk (32G); AUX port for input and output; or TF card (32G). The Bluetooth wireless car radio adapter is compatible with Samsung, LG, Sony, iPhone (including X, XS, 11/12 Pro Max), Android, iPod, etc. $ The best choice for car stereo: This FM transmitter Bluetooth car kit can broadcast music on your mobile device to FM frequencies, thereby transmitting stereo sound through your car speakers. The Bluetooth car radio kit can play high-quality MP3, WMA or FLAC files, allowing you to listen to 5 EQ music modes. $ Reliable and UL approved: This car Bluetooth FM transmitter uses anti-interference, noise reduction CVC technology to transmit directly from your phone to the car's audio system. Car Bluetooth transmitter allows you to get the most stable radio signal and reliable connection. Bluetooth 4.2 provides echo cancellation to reduce background noise and make calls clearer. $ Large LCD display: This car FM transmitter Bluetooth provides you with a brighter and clearer display, a 1.8-inch color display and a 360 flexible hose, providing you with the best viewing experience. Check phone calls, select songs, check car battery voltage, select radio frequency, and switch connected devices on one screen. $ Fast charging: Both the driver and passengers can use dual USB ports for high-speed charging at the same time. Crown of bluetooth car charger is equipped with QC3.0 and 5V/2.4A USB interface, allowing your device to be fully charged in an instant. The power source of the audio wireless car kit comes from the cigarette lighter, so it is suitable for most cars.