Product description 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 included. 2. LED Lighting Source: Equipped with 14pcs LED lamp beads; modern LED has great advantages of ideal energy efficiency, super long lifespan, and 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 twisted and tilted up to 360 degrees. 4. Trusted Green Materials: Made from environmentally-friendly silicone, plastic, and metal; contains no harmful substances; lightweight. 5. Multifunction: Powered by various USB devices (5V, 0.5-2A), such as a notebook computer USB port, smartphone charger, and power bank; very convenient to carry and use.