Features: new and high quality Our Bluetooth-compatible FM transmitter display screen offer a wider visual interface, more indicators can be clearly see, such as incoming phone number, music name, music song lyrics, music amount,FM frequency, battery voltage, Bluetooth-compatible connecT device, colorful and music spectrum. The Bluetooth-compatible car charger is equipped with PD30W QC3.0 USB charging port, which can provide 4X faster speed than normal port. You will enjoy powerful or peaceful music you like. Bluetooth-compatible transmitter for car to get clearer hands-free calls and music. Built-in over-current, over-voltage, intelligent temperature control, and short circuit protection. Built-in Bluetooth-compatible 5.0 chip provides stable connection for streaming music over FM frequency and making hands free calls, allowing for faster pairing with compatible devices. Specifications: Material:ABS Bluetooth-compatible version: 5.0 FM transmission frequency: 87.5MHz-108.0MHz Bluetooth-compatible transmission distance: less than 10M Output: 5V/3A,9V/3A,12V/2.5A(30W). USB port (orange) output: 5V/3A,9V/2A,12V/1.5A(18W). USB port (Bluetooth-compatible) output: 5V Input voltage: 12V-24V Music format: MP3/WMA/WAV/FLAC Working voltage: 12V-24V. Extreme working voltage: 8-32V Working temperature: 0-60 degrees Battery voltage accuracy: error 1V Signal to noise ratio: > 60dB Frequency response: 20Hz-20Khz. Left and right channel separation: > 60dB Size:Approx,14.3x4.4x3.9cm/5.63x1.73x1.53inches Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Bluetooth-compatible FM Transmitter