Comfortable and adjustable brightness: Equipped with 18 LED lights (18 lumens) that emit natural, non-flickering light that does not hurt or strain your eyes. And there are 3 light modes, you can easily adjust the brightness by pressing the power switch. USB Rechargeable Battery: Extraordinary Battery Life With a built-in 1200mAh rechargeable battery and USB charging cable, you can use the powerful light for up to 3 hours after full charging, and the LED light turns from red to green when fully charged.< /p> Portable and flexible: The reading lamp has a small size and a compact design, which makes it very easy to transport. Stable and flexible gooseneck (360 degrees) allows you to place your lamp where you want it. Usage: Perfect for reading, work, study, emergency use, suitable for study, office, bedroom, living room, dormitory, also perfect as a night light for baby's room