Car Bluetooth 50 Wireless HIFI Aux Microphone Adapter TF USB Flash Drive For BMW E46 3-Series CD Accessories modname=ckeditor Support TF Card , USB Flash Drive , Microphone , Bluetooth 5.0 , HI-FI Sound .. Features : - Function via Bluetooth-enabled devices - No functional limitations of the car radio - Allows you to connect an external audio source - With the improvement of wireless technology and the subsequent wireless transmission is the trend of the times, the store is specially made according to the car port, a wireless Bluetooth music product suitable for car use. - Adopt Bluetooth 5.0 protocol, backward compatible with 2.0 3.0 4.0 other versions of Bluetooth protocol, can support common MP3 format audio, also support for WMA, for WAV, for FLAC, and other high-quality audio format decoding, non-general ordinary Bluetooth function, can support DSD Large-capacity transmission, stable data transfer between devices, fidelity, designed for music enthusiasts. - In addition, you can use watching movies, map navigation, etc. Compatible Car Stereo Models : 09/2002- 2006 BMW (E46): 320i, 320ci, 320cic, 323i, 323ci, 323cic, 325i, 325ci, 325cic, 328i, 328ci, 328cic, 330i, 330ci, 330cic & M3 (Coupe, Sedan & Convertible) Note: Will work ONLY for BMW E46 3 Series Business CD head units since 09/2002 or newer , The E46 Business CD head unit manufactured time must be 09/2002 or newer [Specification] 1. Name: AUX Cable Adapter 2. Model: C71518 3. Voltage Input: 5-12V 4. Operational Current: 600mA 5. Standby Current: 20mA 6. Operating Temperature: -35℃~+75℃ 7. DAC Resolution: 20bit 8. Total Harmonic Distortion: 0.05% 9. SN Ratio: 90dB 10. Frequency Response: 20HZ-20KHZ 11. bluetooth version: 5.0 12. bluetooth Name: JieRi-BT 5608