Features： 1、Car‑specific Bluetooth player, built‑in advanced Bluetooth and MP3/WMA/WAV/FLAC decoder chip. With colorful LED lights, creates a happy and warm atmospheres and enhances the fun of the journey. 2、It can play music with U disk and transmit it to car audio wirelessly, allows you to easily enjoy music while driving without modifying the car. 3、Built‑in over‑current protection, over‑voltage protection, intelligent temperature control, short‑circuit protection, which will effectively ensure safe charging. 4、Stable Bluetooth connection, and the noise reduction (CVC) technology and echo cancellation technology can provide an amazing hands‑free call experience. 5、Compatible with most smartphones and more Bluetooth‑enabled devices. When it is turned on, it will automatically connect to the paired Bluetooth device it has remembered. With a wider range of 87.5MHz‑108 MHz, you can get a more stable and subsequent music experience without interference. Specification： Item Type: FM Transmitter Material: ABS Rated Working Voltage: 12V-24V Limit Working Voltage: 10-26V Blue USB : NO Orange USB: QC3.0(maximum 18W) Type-C interfece: PD3.0(maximum 18W) Working Temp: 0-50℃ Music Format Support: MP3 / WMA / WAV/ FLAC SNR: >60dB Battery Voltage Error: ±0.5V Bluetooth Version: Version 5.0 Bluetooth Audio Processing: DSP and A2DP(Advance Audio Distribution Profiles) Bluetooth Transmission Distance: 10M MIC Effective Distance: 0.5-2M FM Freq: 87.5-108Mhz FM Transmission Mode: Stereo digital PLL lock frequency Features: 1. bluetooth V5.0 2. Support dual digital tube display, real time detection and display of battery voltage 3. Support orange USB interface(QC18W),Type-C interface(PD18W) 4. Support Colorful atmospheres LED 5. Support the voice assist 6. Support stereo FM emission technology 7. Support memory card,WAV/PLAC 8. Support music, volume, point power off memory function 9. Support bluetooth automatic loopback 10. Support A2DP, AVRCP, HFP, HSP 11. Support private answer switch 12. Support bluetooth stereo music for DSP technology 13. Support key on / off, retain charging function 14. Supports input over-voltage protection, output over-current protection, output short-circuit protection and over temperature protection How to Use: 1. Check whether the voltage is 12-24V 2. Check the cigarette lighter socket 3. It can be used by inserting the cigarette lighter Package List： 1 x FM Transmitter 2 x Fixing Accessories 1 x Manual