Specifications: Product brightness: adjustable Light Source: LED Light source color: 3 Color Modes（Warm White、Neutral White、Cold White） Switch: Touch Voltage: 5V Power: 10W Feature: -LED desk lamp shines a flicker-free light that brightens your space without harming your eyes.Ideal for reading, working or studying. -Freedom to cast the perfect spotlight, -270° free bending to fulfill your lighting needs.With USB charging, 2000mAh lithium battery has a large capacity, which can be used for 6-8 hours without fear of power outage. -The led lamp helps you reduce the electricity bill by up to 85%.The light source does not contain toxic metals , such as tungsten and mercury, creating a new life with low carbon and environmental protection. - 3 lighting modes, USB powered.Naturally fits with any type of decor, including office or bedroom. -Concise LED desk lamp has an eye caring soft light with 3 dimmable modes: for reading/writing, for working at the computer and for drawing. All modes have its unique lighting close to natural, which reduces eye strain and creates a comfortable ambience.