Product Color: black, whitePower consumption: 1.2 W (MAX)Input power: 5 V, 0.5-2 A.Materials: LED, metal and plasticFunction: 3-level brightnessLED bead: 14 pieces / 3528SMDColor temperature: 6000-6500KPackage ? 1 x Flexible Lamp USB ? 3 x Mini Light USB (red, blue and green color)1.?USB Powered Reading Light?:Package includes 1 piece of flexible led lamp USB (black) and 3pcs mini led light USB (red, green and blue); operated by USB power ports, no battery contained.2.?LED Lighting Source?: Equiped with 14pcs LED lamp beads; modern LED has great advantages of ideal energy-efficiency, super long lifespan, soft lighting to avoid eye fatigue.3.?Fashionable USB LED Lamp?: Light direction and brightness (3-class, touch control) are adjustable; lamp neck is flexible; particularly, the lampshade is bendable and can be 360 degrees twisted and tilted.4.?Trusted Green Materials?: They are made of environmental-friendly silicone, plastic and metal; no harmful objects contained; light weight.5.?Multifunction??Powered by various USB devices (5V, 0.5-2A), like notebook computer USB port, smart phone charger and power bank; very handy to carry and use.