Feature: 1. The tweeter will rotate when the car is started and will return to its position when the car flameout. Adopt silent motor, rotating without noise. 2. With 64‑color LED ambient light, the brightness and color change can be controlled by the original car central control knob switch. 3. Stainless steel cover, matte chrome surface treatment, the holes are finely engraved and exquisitely polished, smooth surface, no rough feeling. 4. It does not require wiring and coding, just plug and play, fully matching the original LED ambient lighting system. The tweeter will change color synchronously with the ambient light of the original car. 5. Manufactured to have the same size, fit and function as original rotating tweeter, which is dependable to use. Specification: Item Type: Rotating Tweeter Material: Stainless Steel + ABS + PC Ambient Light Color: 64 Colors Mounting Position: Tweeter Fitment: Replacement for Mercedes-Benz E-Class W213 Sedan 2017-2021 (Not For 2-Door C238 Coupe Models!). Package List: 1 Pair of Tweeter (Left + Right)1 Pair of Harness Module(Left + Right) Note: 1. Professional installation is highly recommended.2. The tweeter will rotate only when the car is started and stopped, and it will not rotate in other cases.