Size: 420 x 120mm Rechargeable battery: 1200mAh Light colour: White/Warm white Light source type: 20 LED lamp beads Control method: Touch control Attachment method: Clip Package includes: 1 x reading lamp; 1 x USB charging cable LEDs with eye care light source bed clamp lamp, 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 lamp Widely 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