White color Dimensions: 12.5 x 7 x 21.2 cm. Eye care - 20 LED light clips provide gorgeous flickering free light 3 light colors: cold light, warm light and natural light to meet our different needs. 3 Adjustable Brightness Levels - 3 adjustable brightness levels for each light color (30%, 60%, 100%) Built-in 2800mAh lithium battery - USB rechargeable for longer battery life. (USB cable is about 80cm long) Clip lights - a sophisticated and beautiful look. The rechargeable yellow reading light effectively blocks blue light so you can read, work and enjoy the night. Warm, healthy light makes reading and sleeping easier. Most reading lamps use white light. Blue and white light can cause eyestrain and migraines, keep you awake at night and impair the production of melatonin in the brain and body, which can negatively affect our health and sleep patterns. The perfect clip for beds, partitions, desks, computer tables, shelves, bed headboards, drawing boards and more. Ideal for children,