Feature 1、Compatible and universal, suitable for 12-24V models, don't worry about the problem of unsuitability. 2、7 colors are available, matched with the atmosphere lights in the car, while providing charging function and playing music, it can also increase the atmosphere in the car. 3、Dual USB ports with 3.1A charging function, you can charge your mobile phone and other devices at any time. 4、Upgraded Bluetooth 5.0 chip, built‑in smart chip, can automatically match the current required by the device, safe and not hurt the machine, low power connection is more stable. 5、Enhance the stability of the Bluetooth connection, improve the clarity of music, ensure the stable and clear call effect, and block the surrounding noise interference. Item Type: Car Charger Material: ABS+PC Size: Approx. 7.9x4.7x3.7cm/3.1x1.9x1.5in Fitment: Universal, fit for all 12-24V Cars Functions: 1. Bluetooth hands-free call, USB port with charging function 3.1A 2. Echo cancellation and noise processing during a call 3. Stereo Bluetooth and FM transmission technology 4. Support USB/TF card/Bluetooth function 5. Support MP3/WMA format music 6. Automatic power-off memory function 7. Cigarette lighter power supply: DC12V-24V voltage power supply; 8. Bluetooth version 5.0 FM transmitting frequency: 87.5-108Mhz 9. Voltage detection 10. Colorful atmosphere lights Package List 1 x Host1 x Manual Note Please allow 1‑3mm difference due to manual measurement.