Features : * 100% brand new and high quality * Made of high quality material, durableand practical to use * Use the auxiliary signal of the original car for high-definition audio transmission. Run through a Bluetooth-enabled device. * Bluetooth 5.0. Eliminate clutter caused by cables and wires. * Car radio has no functional restrictions. * Allows you to connect external audio sources. * Integrated intelligent voice noise reduction technology to reduce echo and noise. * This product uses digital audio processing to restore high-fidelity sound quality. * Can answer calls with clear voice. *Applicable Model: For BMW E54 E39 E46 E38 E53 X5 For BMW (E46): 320i, 320ci, 320cic, 323i, 323ci, 323cic, 325i, 325ci, 325cic, 328i, 328ci, 328cic, 330i, 330ci, 330ci & M3 ( For coupe, sedan and convertible) 09 / 2002-2006 For BMW (E39): 525i, 525iT, 530i, 530iT, 540i, 540iT andFor M5 (sedans) 09 / 2002-2003 For BMW (E53): X5 3.0, 4.4, 4.6, 4.8 and X5 M 10 / 2002-2006 Note: This auxiliary line is suitable for 16: 9 large screen stereo host Specification: * Name: Audio Cable Adapter * Model: E16751 * Colour: Black(As pictures show) * Material: ABS * Transmitter Distance: 15 Meters(Approx.) * Frequency Response: 20Hz-20KHz * Frequency Range: 2.402-2.480GHz * Distortion Rate: 1% * Current: 20mAh * Bluetooth Name: JieRi BT 5908 * Bluetooth Version: 5.0 * Product Voltage: 12V * Microphone Length: 150cm(Approx.) Installation: Connect the red power line to 12V + Black power cord connected to 12V- Plug in the CD player jack (please confirm the corresponding socket), connect the Bluetooth module to your phone, select the aux audio source, and you can play your phone music. Package Contents: 1 * Audio Cable Adapter 1 * Bluetooth Microphone Note: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight manual measurement deviation for the data.