Features: Intelligent design, powered by USB cable,fast charging, can be lighten up by pressing or vibration. Long Press the switch button on the back of the cup pad until it flashes and then it turns on . Press the button again until it flashes and then it turns off Colorful cup pad: in the boot state, each press the switch by a mode of change Light when dark: in the dark environment, no vibration, 15 seconds after automatically extinguished Cool&stylish car cup coaster, fashion personality, non-toxic and tasteless, to enhance the vehicle interior sense of fashion, it is a good choice for you to dress up the interior of the car. Specification: Product color: black Product material: acrylic Battery capacity: 200mAh Charging function: USB charging Luminous color: colorful gradient Applicable: general Package list: 2 x Cup Holder Pad 1 x USB cable 1 x manual 1Intelligent design, powered by USB cable,fast charging, can be lighten up by pressing or vibration. 2Long Press the switch button on the back of the cup pad until it flashes and then it turns on . Press the button again until it flashes and then it turns off 3Colorful cup pad: in the boot state, each press the switch by a mode of change 4Light when dark: in the dark environment, no vibration, 15 seconds after automatically extinguished 5Cool&stylish car cup coaster, fashion personality, non-toxic and tasteless, to enhance the vehicle interior sense of fashion, it is a good choice for you to dress up the interior of the car.