Product features: Switch the voice-controlled mode with one button, and the lights will flicker with the rhythm and intensity of the music. Adopt environmental protection material process design, high temperature resistance and scratch prevention, solid material, small and unique; LED has a life of up to 20,000 hours and slow light decay, which is four times longer than household energy-saving lamps. Split splicing process, stable current, two four seats can be installed freely;USB plug can be directly inserted into the original car socket, car cigarette lighter, charge bank and other equipment; Velcro design, disassemble and install anytime and anywhere, adsorb and fix, solve the sticking temperature is too high and easy to fall off. Product model: A18 Material: PVC shell, crystal lamp shade Product size: 156.8mm x 31.5mm x 19mm Light source color: red, blue, green, yellow, purple, ice blue, white Connection mode: USB interface Product life: 10000 hours Product power: less than 1W Input voltage: DC 5V Applicable models: All cars General installation method: Velcro fixed