Specifications: Material: Acrylic Size: approx. 7 x 0.9 cm/ 2.75 x 0.35 inches 7 Light colors: white, red, blue, green, yellow, purple, ice blue 3 Modes: colorful, breath and gradient Package includes: 2x LED car cup holders 2 x USB cable LED Drink Holder】LED cup holder lights have 3 modes (colorful, breath and gradient) and 7 colors light (white, red, blue, green, yellow, purple, ice blue) total 17 styles, a perfect car interior decorative light enhance your driving colorful and amazing. USB Charging】Charging it for 2 hours, it will working continously for 15 days, Its interface is Micro USB, the same as ordinary Android phones' interface. The cable will be provided as accessory. Waterproof & Durable】LED car coasters are made of plastic, they are dust-proof with waterproof surface that ensures holing cup safe, and the smooth surface is easy to clean, sturdy material is for long time using. Easy to Use】 There is a button on the back of the light for you to control light mode and change lights color. Pressing the button once can change a color or mode. It's very convenient to choose a color or mode you like. Long press to turn on or down the lights. Funny Tabletop Accessories】There are many applications such as Night club bottle service,Cocktail parties,Wedding,Backyard parties,Light a Bottle wine for a date, Halloween, Christmas Gift.