Feature: 1. High‑quality tweeter, using silent motor, rotating without noise. The tweeter will rotate when the car is started and will return to its position when the car flameout. 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 by the machine, exquisitely polished, smooth surface, no rough feeling. 4. Plug and play, no wiring and coding, perfectly matching the original car's 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 GLC-Class X253 Facelift 2019-2021 Replacement for Mercedes -Benz GLC-Class C253 Coupe Facelift 2019-2021 (Not For Pre-Facelift 3-Color 16-18 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.