Book Lights features: (White Light) Rechargeable LED Reading Study Desk Bedside Light Dimmable Touch Control Lamp Color: we send based on the color or size of the main image of the product page. Quantity：we send based on quantity on title, if there is no quantity in the title, we send based on description. Light Type:White Light Product Features: 18 light sources, hollow circular lighting, no flicker, provide sufficient protection for your eyes, brighter light, and gentler with diffuser. The tube is made of high-quality silicone, which is quiet and flexible, and provides various brightness ranges. Flexible neck with freely adjustable lighting angle. This lamp has 3 brightness levels (for reading (strong), relaxing (medium) and sleep (weak)), which provide sufficient protection for your eyes under different light conditions The sensitive touch sensor makes the brightness switch easy to use and has a long service life. It can be powered by a rechargeable lithium battery or USB cable. It is small and light, and easy to carry. Product Specification: Type: Table Lamp Color: White Size: Base length 11CM Light Height 46CM Lamp Diameter 9Cm Three Levels of Adjustable Brightness: Strong / Medium / Weak Light Source Type: 18 LED Charging Time: 3 -4H Working Time: 3-2 4 H Input: DC 5V 0.5A-1A Power: 8W Power Source: 2000