Product color: black, whitePower consumption: 1.2 W (MAX)Input power: 5 V, 0.5-2 A.Material: LED, metal and plasticFunction: 3-level brightnessLED bead: 14 pcs / 3528SMDColor temperature: 6000-6500KPackage ? 1 x Flexible lamp USB ? 3 x Mini light USB (red, blue and green color)1.?USB-powered reading lamp?:The package includes 1 pc flexible led lamp USB (black) and 3 pcs mini led light USB (red, green and blue); powered by USB power ports, no battery included.2.?LED light source?: Equipped with 14 pcs LED lights; modern LED has great advantages of ideal energy efficiency, super long lifespan, soft lighting to avoid eye fatigue.3.?Trendy USB LED lamp?: Light direction and brightness (3-class, touch control) are adjustable; the lamp neck is flexible; especially the lampshade is bendable and can be twisted and tilted 360 degrees.4.?Reliable green materials?: They are made of environmentally friendly silicone, plastic and metal; no harmful objects included; lightweight.5.?Multifunction??Powered by various USB devices (5V, 0.5-2A), such as laptop USB port, smartphone charger and power bank; very practical to carry and use.