Supplied USB cable and rechargeable battery: Easily charge your book-shaped light. Compact and battery-operated, this lamp is portable and convenient for use anywhere. Provides bright illumination with a practical and stylish design. Made from durable Tyvek paper with strong water resistance for long-lasting use. The foldable book-shaped lamp functions as a table lamp, floor lamp, ceiling lamp, or bedside lamp. A unique and thoughtful gift for family, friends, or loved ones. 500 lumens lamp book Dimensions: 21.5 x 17.0 x 2.5 cm (8.5 x 6.7 x 1.0 inch) Features: - Battery: 1 x 3.7V 2500mAh polymer battery (included) - Power: 4.5W - Working voltage: DC5V / 300mA - Charging voltage: 5V / 500mA - Charging time: 5 hours - Lighting time: 8 hours - Luminous flux: 500LM - Light color options: White (6500K), warm white (3000K), red, blue - Material: US white maple and Tyvek paper - Book size: 21.5 x 17.0 x 2.5 cm / 8.5 x 6.7 x 1.0 in (L x W x H) - Item weight: 387 g - Package size: 26.2 x 20.0 x 5.5 cm / 10.3 x 7.9 x 2.2 in (L x W x H) - Package weight: 522 g Convenient charging design: book lamp with versatile functionality. Includes USB cable and rechargeable battery. Charge using any standard USB port, such as from a power bank, computer, or wall adapter. Sustainable construction: Made from Tyvek paper known for high durability, water resistance, 90% light transmission, thermal insulation, and tear resistance, ensuring long-term reliability. Creative design: Unique book-shaped style with warm white lighting that adds a cozy atmosphere. The lamp opens up to 360 degrees, allowing flexible shaping and positioning during use. Safety and quality: Constructed from Tyvek paper and natural wood, combining eco-friendly materials with safe, reliable performance.