3 Brightness Levels: With 3 adjustable brightness levels, you can change the brightness you need, stepless dimming, 3000K-4500K-5500K, this comfortable LED reading light helps you avoid eye fatigue or being disturbed by the brightness. Rechargeable and Sturdy: With built-in battery, the lamp is economical and environmentally friendly. The flexible silicone base can be rotated and bent up to 360 degrees for maximum illumination. Press for 3 seconds to turn on the light and automatically turn off after 45 minutes. Portable, Lightweight and Multifunctional: Small, convenient to carry or attach to the bed. This bright reading light is so easy to carry that you can take it anywhere with you. Warranty and Power Supply500mAh lithium polymer battery (included) with USB port, the light is economical and environmentally friendly. VersatilityThe light is suitable for night reading, perfect for use on airplanes, trains and cars, as well as in the home or any other occasion where high quality is required for reading.