1. Application scenarios: Suitable for many car models, such as Vios, Prado, etc. 2. This product has certain requirements for car models. It is recommended to confirm whether your car model is suitable before placing an order. 3. Multimedia in - car Bluetooth connector. 4. Bluetooth supports hands - free answering of calls (calls can be answered/hung up through the original car audio and steering wheel buttons). 5. Supports A2DP Bluetooth music playback (song switching/fast forward/fast reverse/pause can be controlled through the original car audio and steering wheel, and multiple Bluetooth devices are supported). 6. Name: 12V in - car Bluetooth AUX adapter microphone, a disc box with both hands - free calling and music playback functions. 7. Power supply: 12V in - car DC power supply. 8. Voltage input: 11V - 14.6V DC. 9. Operating current: 600mA. 10. Standby current: 20mA. 11. Frequency response: 20Hz to 20kHz, ±2dB. 12. Power: Less than 5W. 13. Distortion degree: 0.01%. 14. Signal - to - noise ratio: 95dB. 15. Operating temperature: - 35°C - 85°C. 16. Plug and play: Installed through the CD charger interface, simply and quickly, and compatible with the original car. 17. Supports A2DP playback: Can transmit music from Bluetooth devices to the car audio system. 18. The sound quality is good: Connected to the car audio through a wiring harness, with little interference and less loss of sound quality. 19. Material: Plastic. 20. Color: Black. 21. Package contents: - One Bluetooth connection module. - One disc box wiring harness. - One microphone. - One instruction manual. 22. Only the above package contents are included, and other items are not included. 23. Note: Light and different monitors may cause some differences between the item color and the actual object. The allowable measurement error is ±1 - 3cm.