Rechargeable Battery Operated: Cordless Desk lamp with USB charging port, built-in 3000mAh rechargeable battery, can be used as a power bank for USB devices. Recharge your devices via the built-in 5V/1A USB output; keep your smartphone or tablet within reach while charging. Multiple Usage: 5 in 1 function as a desk lamp, night light, emergency light, power bank and phone stand. Can be used as emergency light for outdoor dining tables, tents, picnics, table lamps, etc. Rubber pad at the bottom increases the stability as a cell phone stand. Energy-saving Design: 3 lighting modes, Maximum brightness up to 140LM with the only 3w of energy consumption. After a full charge (about 3.5 hours) the battery can be used for 9 hours with maximum brightness and 46 hours with minimum brightness. Side light offers battery status indication Gentle on the eyes: Design to be soft, stable and non-flickering, the lighting is friendly on your eyes so you can enjoy what youre doing for longer. Provides a flicker-free lighting for reading, working, or studying. Folding Design & Any Angle: Small desk lamp and folding cordless design, portable and easy to pack up and carry on with you. The lampshade can be rotated by 145 for multi-directional illumination coverage. No matter the angle youre after, the adjustable head can rotate 145 degrees up and down so you can shine a light on anything.