Product Color: black, white Power consumption: 1.2 W (MAX) Input power: 5 V, 0.5-2 A. Materials: LED, metal and plastic Function: 3-level brightness LED bead: 14 pieces / 3528SMD Color temperature: 6000-6500K Package 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.MultifunctionPowered 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.