Comfortable and Adjustable Brightness: Designed with 18 LED bulbs (18 lumens), which gives natural, non-flickering light that won't hurt or strain your eyes. And there are 3 lighting modes, you can adjust the brightness simply by touching the switch. USB Rechargeable Battery: Extraordinary battery life with built-in 1200mAh rechargeable battery and USB charging cable, you can use the strong light for up to 3 hours after fully charged, and the indicator light will be on from red to green when fully charged. Portable and Flexible: The reading light features a small size and a compact design, which makes it very easy to transport. The sturdy and flexible gooseneck (360 degrees) allows you to position your light where you want it. Application: Perfect for reading, work, study, emergency use, suitable for study, office, bedroom, living room, dorm, also perfect as a night light for baby's room