Foldable Led Desk Lamp,Ideality Portable USB Rechargable Table Lamp Reading Lamp Bedroom Lamp,Energy Efficient Led Desk Light with 2-Level Dimmer,Built-In Battery,Eye-Care for Reading Studying Bedtime EYE-PROTECTION LED DESK LAMP-2 modes dimmiable light good for studying,reading,working at night PORTABLE SIZE The lamp size : 8X2.6X0.4 inch; When fold it width is same as iPhone6. ONE BUTTON,EASY OPPERATION  1st click will be on will be brighter light, good for reading, a romantic dinner, playing computer/phone/tablets;2nd click will be the dimmer light, good for a snap or sleeping.3rd click will turn off the lamp. TWO CHARGING MODES - USB charging or DC adaptor charging. Built-in 1000mAh battery, more than 2 hours continuous working after full charging at a time TRANSFORMED DESIGN  As a desk lamp, it can be put on desk or hanging on the walls. Or use as a mobile stand, or a torch, or even can be the emergency Tripod light on the road.