Supplied USB cable and rechargeable battery: You can easily charge your book-shaped light. Compact in size and battery operated, just take the lamp with you and use it wherever you want. It creates strong lighting and, thanks to its special design, is very practical and beautiful. Made of Tyvek paper with high durability and strong water resistance, so the product has a long service life. The foldable book-shaped lamp can be used as a table lamp, floor lamp, ceiling lamp or bedside lamp. An absolutely ideal, special and surprising gift for your family, friends, partner, etc. 500 lumens lamp book Dimension: 21.5 * 17.0 * 2.5 cm (8.5 * 6.7 * 1.0 inch) Features: Battery: 1 3.7 V 2500 mAh polymer battery (included) Power: 4.5 W Working voltage: DC5V / 300mA Charging voltage: 5V / 500mA Charging time: 5 hours Lighting time: 8 hours Luminous flux: 500LM Light color: white (6500K), warm white (3000K), red, blue (optional) Material: US white maple Paper: Tyvek Book size: 21.5 * 17.0 * 2.5cm / 8.5 * 6.7 * 1.0in (L * W * H) Item weight: 387 g Package size: 26.2 * 20.0 * 5.5cm / 10.3 * 7.9 * 2.2in (L * W * H) Package weight: 522 g Convenient load design Book lamp in a modern design with versatile functions, with included USB cable and rechargeable battery. Simply use the free USB port, e.g. B. a mobile power supply, a power bank or a computer. You can charge your book-shaped lamp extremely easily. Sustainable Made of Tyvek paper with high durability and high water resistance, which is characterized by 90% light transmission, water resistance, thermal insulation and tear resistance, making the product durable. Creative and cute shape Unique and creative book design, warm white light makes the room full of warmth. The lamp book can be opened up to 360 degrees and allows you to create any shape you want during use, flexibly and free of charge Security Made from Tyvek paper + natural wood. It's a new kind of ecological material.