MORECOO LED Dimmable Desk Lamp ,Rechargeable Portable Table Lamp with USB Charger , 3 Brightness Levels ,Aluminum Alloy Foldable Lamp for Reading Studying Working(Silver) 1) Lightness Adjustable:The dimmable table lamp with 21pcs lamp beads and 2 brightness levels, you can adjust the light to find the perfect brightness level for your situation. Press the on/off button to turn it on for the highest level brightness, press it again for the dim brightness, and do it again to turn it off 2) Eye-protective:Eco-friendly LED book light with supernatural light. Gentle, clear and non-flickering light beam, it creates soft and comfortable environment for reading/ working/ sleeping and wont fatigue your eyes 3) Armed with wall mount:We provided the high quality 3M wall sticker, you not only put the folding portable lamp on the desk but also sticking it to wall or any surfaces you like, which brings you convenience 4) USB Charging Energy efficient:MORECOO Reading Lamp built-in 1000mAh rechargeable Li-on battery and micro USB charge interface. The office desk lamp just use 3 watts of power but generates 150 lumens of light that works up to 4 hours after full charge 5) Portable Design:Ultra thin integration by aluminum alloy, the adjustable desk lamp can be fold to the size of iPhone 6s Plus with rotation by 360 degree, pretty suitable for outside, travelling, camping and business trip