Car Bluetooth MP3 Player Audio FM Transmitter with Ambient Light Product parameters: 1. Product material: ABS 2. Product weight: 37g 3. Product size: 7.4x4.8x4cm 4. Bluetooth version: 5.0 5. Rated working voltage: 12V~24V 6. Limit working voltage: 9-26V 7. USB port output: 5V3A 8. Type-C output: 5V3A 9. Music format: MP3WMA 10. Support U diskTF card capacity: 1-32G 11. Working temperature: 0-50 degrees 12. Sensitivity: -42DB+-3DB 13. Frequency response: 20Hz-20Khz 14. Bluetooth transmission distance: less than 10m 15. Effective distance of Bluetooth microphone: 0.5-2m 16. Effective launch distance: 2m Features: 1. The product can detect the voltage of the car battery in real time, and the safety reminder is clear at a glance 2. Built-in microphone, support Bluetooth hands-free calling 3. Support mobile phone A2DP function, after connecting to Bluetooth, you can directly play HiFi lossless music 4. Built-in colorful atmosphere breathing light, which can adjust different lighting modes 5. Support MP3WMA format music 6. Automatic power off memory function