Specifications Color: blue, pink, white Size: 420 x 120mm Voltage: 36V Light color: white light Light source type: 16 LED lamp beads Control method: touch control Fixing method: clip Package includes 1 x reading lamp 1 x USB charging cable Eye-care LEDs light source Bed clamp lamp bed white power cable with LED lamps, LED clamp desk lamp can emit natural and non-flickering light that will not hurt or strain your eyes. Perfect for reading, studying, working, drawing, sleeping and so on. Reduce eye fatigue and protect eyes 3 brightness adjustable to best suit your needs. Single press to select color temperature and long press to adjust brightness.The freely twisted tube can be rotated 360, offering you the best viewing angle. With the non-slip silicone pad on the base, it can also be placed smoothly Clip-on design with anti-slip clamp base or bracketThe maximum width that the clip can open is 6 cm. You can mount this reading lamp on many positions such as book, desk, headboard, shelf, bookshelf, wardrobe, music stand, piano and computer. You can also put it on a table as a normal table lamp Widely Used: LED clip on reading light USB provides a more even and wider evenly diffused lighting area than other LED book lights, perfect for college dorms, offices, bedrooms, children's rooms, kindles for reading , learning, etc. are suitable