Specifications Color: blue Size: 420 x 120mm Voltage: 36V Light color: white Light source type: 16 LED lamp beads Control method: touch control Attachment method: clip Package includes 1 x reading lamp 1 x USB charging cable LED reading lamp with eye-care light source. This clamp lamp provides natural, non-flickering light that helps reduce eye strain. Ideal for reading, studying, working, drawing, and other close-up tasks. Helps reduce eye fatigue and supports eye comfort. 3 brightness levels to suit your needs. Press the button once to change color temperature, and long press to adjust brightness. The flexible gooseneck can be rotated 360 degrees for optimal viewing angle. Non-slip silicone pad ensures stability when placed on flat surfaces. Clip-on design with non-slip clamp base. Maximum clamp opening: 6 cm. Can be securely attached to books, desks, headboards, shelves, bookcases, wardrobes, music stands, pianos, and computers. Can also be used as a tabletop lamp. Widely used: This LED clip-on USB reading light delivers uniform and wide illumination, ideal for student dorms, offices, bedrooms, children's rooms, and e-readers. Perfect for reading and studying.