1.Magnetic: Electromagnetic induction opening, auto-sensing magnetic, no mechanical contact, strong suction, easy to open and close. 2. Wood: Made of eco-friendly wood, applied with laser cutting technology to ensure that the curvature will not cause damage to the lamp. 3.Reusable: USB rechargeable, powered by Li-ion battery from 1800 mAh, able to support the lamp for 5-6 hours. 4.Foldable: flexible design, different possibilities, can change the shape instantly, it can send light around it to 360 degrees. 5.Perfect as a gift: portable and small, convenient to take with you everywhere and without having to worry about the wire. Ideal for birthday or as a festival gift for friends, family, colleagues and relatives. 6.Color changing instructions: each time you open and change a color, a total of five colors, the sixth time opened, the five-color intelligent automatic change in turn Brightness: 350 lumens Book page material: kraft paper Rated voltage: 3.7V Cover material: wood Rated power: 4.5W Working current: 500MA Working time: 5-6 hours Battery capacity: 1800mha Electricity time: 3-4 hours Size: 12 *9*2.5cm Product Color: Maple White Shipping Quantity: 1