Specifications Color: blue, pink, white Size: 420 x 120mm Voltage: 36v Bright color: white light Light source type: 16 LED lamp beads Tax method: Touch control Fastening method: clip Package includes 1 x reading lamp 1 x USB charging cable LEDs with eye care light source bed clamping lamp bed white power cable with LED lamps can release LED clampable desk lamp natural and non -flickering light that does not injure or load your eyes. Perfect for reading, learning, working, drawing, sleeping and so on. Reduce the fatigue of the eyes and protect your eyes 3 brightness adjustable to optimally adapt to your needs. Press the button once to select the color temperature and press long to adjust the brightness. With the non -slip silicone pad on the base, it can also be placed smoothly Clip-on design with an anti-slip base or bracket The maximum width that the clip can open is 6 cm. You can attach this reading lamp to many positions such as book, desk, headboard, shelf board, bookshelf, wardrobe, sheet music, piano and computer. You can also put it on a table as a normal table lamp Widdled: LED clip on the reading light USB offers an even and broader, evenly scattered lighting area as other LED book lights that are perfect for student dormitories, offices, bedrooms, children's room, Kindles for reading, learning, etc.