SpecificationsColor: whiteSize: 420 x 120mmVoltage: 36VLight color: white lightLight source type: 16 LED lamp beadsControl method: touch controlAttachment method: clipPackage includes1 x reading lamp1 x USB charging cableLED with eye-caring light source bed clip lamp bed white power cable with LED lights, LED clip-on desk lamp can emit natural and non-flickering light that does not harm or strain your eyes. Perfect for reading, studying, working, drawing, sleeping and so on. Reduce eye fatigue and protect eyes3 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 twisted tube can be rotated 360 and offers you the best viewing angle. With the non-slip silicone pad on the base, it can also be placed smoothlyClip-on design with non-slip clip base or bracket The maximum width the clip can open is 6 cm. You can mount this reading lamp in many positions such as a book, desk, headboard, shelf, bookshelf, wardrobe, music stand, piano and computer. You can also place it on a table as a regular table lampWidely used: LED clip-on USB reading lamp provides an even and wider, evenly distributed lighting area than other LED book lights, which is perfect for student dorms, offices, bedrooms, children's rooms, kindles for reading, studying etc.