size: 18 * 8.5 * 1.8 cm specification: material: metal + ABS LED quantity: 2 pieces warm + 3 pieces ck cold white LED power: 1W battery capacity: 1000mAh input voltage: DC 5V charging time: 2 hours package content: 1x LED book reading lamp 1x Micro USB charging cable (39 inches long) 1x user manual 1x carrying case Robust and durable With this new reading lamp with 360 You can adjust the gooseneck to the desired position. The neck of the book lamp is made of steel material, which can stabilize the lamp body very well and cannot easily slip off. The high-quality ABS material ensures the flexibility of the lamp holder and the entire lamp is durable. Long service life The built-in rechargeable 1000 mAh battery offers excellent durability. Powered by type C, no differentiation between front and back, with the same kind of interface for mobile phones, worry-free and glitch-free. After just 2 hours of quick charge, the battery will last for longer wireless reading time. Great quality and light weight The neck book lights are adjustable so they can be easily bent as you need them. The clip can be opened wide to be attached to a headboard. However, it can also be easily attached to a book or the edge of a pillow. It's small and light, ideal for headboard, table reading, traveling, camping, children's reading, study, laptop light, sewing and so on. Eye protection and flicker-free light LED lamps keep things stable and comfortable light and protect your eyes from radiant injuries and radiation.