Dimmable brightness Three brightness modes: warm white, nature white and daylight. Press and hold the brightness switch on the back of the lamp head to adjust the brightness (0% to 100%) and color temperature of the book lamp.Flexible design The LED gooseneck clips can be rotated 360 ° and adapted to your needs. Of course, flicker-free lights in reading lights do not produce lead or mercury, which protects your eyes from light.Wireless charging Rechargeable LED reading lights can be charged via the USB port, which can be charged directly into a USB port. The charging time is only 60 minutes and can be used for longer than 480 minutes when fully charged.Easy to carry The book lamp weighs only 40 g and is therefore very easy to transport. With this lightweight design, the book lighting can be easily attached to books and magazines and is the perfect reading companion for travel and train.Multifunctional clamp The reading lamp and the clamp are removable and the book light can be used as a bookmark. The bottom of the clamp is magnetic so you can attach it to any ironworks. HG