1. Suitable for Model 3 2021 audio activation cable, made of standard pure copper, plus two tweeters, which makes the tweeter more pure, noiseless and stable, and the whole set of flannelette is fireproof and moisture-proof, and the black wire body is more suitable for the car body, hidden in the car, so there is no worries after modification. please check the model and year before ordering. 2. Practical: Give your ears a better listening experience and enjoy the pleasure of being surrounded by music, with stable data transmission and lossless sound quality. 3. High Performance: The wiring harness does not require additional processing, with thicker wire, low resistance, better sound effect, and safe to operate. 4. Non Destructive Installation: It is designed according to the car interface, . Installation is simple and without any damage. 5. With capacitor, the sound quality is relatively Note: Installation guide not included, we strongly recommend you professional installation. The power must be turned off before installation, the co pilot window will be minimized, and the door cannot be opened or closed during this period. Fitment:For Model 3 2021 Colour:Black Material:plastic Package Contents: 1 * Audio Speakers Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.