Product features: Car Music Rhythm Lamp Material: ABS Voltage: 5V Function 1: Car sound and light function Function 2: Built-in rechargeable battery Battery capacity: 200mA Installation method: Car exhaust outlet Project name: Car sound lamp Project name 1: Car perfume rhythm lamp Project name 2: Rhythmic car air diffuser Product description: 1. The fragrance LED lamp moves in sync with the car's rhythm and changes color with the music or sound, accompanied by a fragrance. 2. The ambient lighting is natural and long-lasting, controllable via mobile app, Bluetooth or sound. 3. The rhythmic fragrance LED lamp in the car dances to the rhythm of the music. 4. The ambient light is self-controlling, with 24 colorful light strips and 100 light modes, with adjustable brightness to create rich ambient light effects. 5. Several dynamic modes are switchable. Parameters: Name: Car perfume lamp Control method: Button switch Battery capacity: 200mAh Output power: 5W Input power: 5V/5A