Product features: This car star ceiling light can give your car a romantic and unique look, comparable to a luxury sedan, but requires some installation knowledge. It uses DC12V, is suitable for various car models, supports music mode, and comes with a 24-key multi-function remote control for easy operation. It uses RGBW LED beads, providing the best pure white light effect to create a starry sky atmosphere. It features high brightness, energy efficiency, and a long lifespan. Note: Do not connect Bluetooth devices manually in the phone settings. Product specifications: Material: Fiber optic; Type: End-glow PMMA fiber; Fiber optic operating temperature: -20°C to 50°C; Operating voltage: DC5/12V; Power: 16W; LED chip: RGBW LED; Remote control: RF 24-key remote control; Remote control switching modes: 15 static colors (red, green, blue, yellow, mixed white, pure white, cyan, purple, etc.) and RGB light changing, gradient, jump, and flashing modes, with adjustable brightness, mode speed, and sound sensitivity. Lifespan: 50,000 hours. Smartphone APP Bluetooth control: 1. Download the APP \"LED BLE\". 2. Connect Bluetooth device: (1) Turn on Bluetooth on your phone. (2) Turn on the light; then open the APP; (3) At this point, the APP will automatically connect to the Bluetooth light. (Supported systems: Android 4.4 and later / iOS 9.0 and later. Connection method: Bluetooth 4.0). Material: ABS aluminum alloy. Color: As shown in the picture. Package contents: 1 x RGBW light engine, 1 x RF remote control, 1 pack x 0.75 mm x 2 m fiber optic cable (500 pieces), 1 x