Specifications Color: blue Size: 420 x 120 mm Voltage: 36 V Light color: white light Light source type: 16 LED lamp beads Control method: touch control Fixation method: clip Package includes 1 x reading light 1 x USB charging cable LED with eye-friendly light source bedside clip lamp bed white power cable with LED lights, LED clip-on desk lamp can emit natural and non-flickering light that does not hurt or strain your eyes. Perfect for reading, studying, working, drawing, sleeping and so on. Reduce eye fatigue and protect your eyes 3 brightness levels adjustable to optimally adapt to your needs. Press the button once to select the color temperature and long press to adjust the brightness. The freely rotating tube can be rotated 360 degrees, giving you the best viewing angle. With the non-slip silicone pad on the base, it can also be placed smoothly. Clip-on design with non-slip clamp base or bracket The maximum width that the clamp can open is 6 cm. You can mount this reading light on many positions such as a book, desk, headboard, shelf, bookcase, wardrobe, music stand, piano and computer. You can also put it on a table as a regular table lamp. Widely used: LED clip on USB reading light provides a uniform and wider, evenly distributed lighting area than other LED book lights, which is perfect for dormitories, offices, bedrooms, children's rooms, Kindles for reading, studying, etc.