feature: 1. The angle can be adjusted arbitrarily, suitable for different vehicles. 2. Support LED display and software switch3. Play music from Micro SD card (up to 32GB) 4. Support MP3/WMA/WAV music IN format5. Bluetooth hands-free6. Support to play music via bluetooth stereo7. CVC technology eliminates echoes and reduces ambient noise. 8. Support infrared remote control9. Support infrared remote control to answer calls or switch calls10. Built-in rechargeable lithium battery11. Supports powering other devices through USB, the maximum output is 5V/2. 1A12. The main body of the product and the cigarette lighter work separately, easy to operate13. Stereo Bluetooth and FM Transmitter14. Automatic power-off memory15. 360-degree volume adjustment, easy to answer calls with a separate top button Specification: Packing size: 19.5*10.5*4. 5cmWeight: 200gMaterial: ABSColour: BlackRated working voltage: 12VWorking voltage limit: 9~26VUSB output: 5V/2AWorking temperature: 0~50CSupported playback formats: MP3, WMASignal-to-noise ratio :