SpecificationsColor: blueSize: 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 cableLEDs with eye care light source bed clamp lamp bed white power cable with LED lamps, LED clampable 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 eyes3 brightness 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 clamp base or bracket The maximum width the clip can open is 6 cm. You can mount this reading lamp 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 normal table lampWidely used: LED clip on USB reading light provides a uniform and wider, evenly spread lighting area than other LED book lights, which is perfect for student dormitories, offices, bedrooms, children's rooms, kindles for reading, studying, etc. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!