Dimmable USB Lamp, Flexible Keyboard Light, Mini Light for Laptop Black About this item Eye-caring Reading Lamp: Interiorly built with 14pcs of high quality LED beads; modern LED has great advantages of energy-efficiency, long lifespan, bright lighting and eye-caring. Fashionable Design: 3-level adjustable brightness settings and flexible gooseneck tube; set lighting direction and height to have a comfortable lighting angle; On/Off touch control button. Power Source: Compatible with various USB devices (5V, 0.5-2A), like PC computer USB port, smart phone charger and power bank; no battery contained. Novelty USB LED Lamp: very convenient to carry(55g/2oz) and use; handy light for laptop, reading light, book light, night light, notebook keyboard light, etc. Trusted Materials : this USB LED light is mainly made of environmentally friendly silicone, plastic and metal; no harmful objects contained; They are well tested before being put to market.