Specifications Color: blue Size: 420 x 120mm Voltage: 36V Light color: white light 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 LEDs with eye care light source bed clamp lamp bed white power cable with LED lamps. LED clampable desk lamp emits natural and non-flickering light that does not hurt or strain your eyes. Suitable for reading, studying, working, drawing, and other activities. Helps reduce eye fatigue and supports eye comfort. 3 brightness levels adjustable to suit your needs. Press the button once to select color temperature and long press to adjust brightness. The flexible gooseneck can be rotated 360 degrees, allowing for optimal viewing angles. Non-slip silicone pad on the base ensures stability when placed on flat surfaces. Clip-on design with non-slip clamp base. Maximum clamp opening width: 6 cm. Can be mounted on books, desks, headboards, shelves, bookcases, wardrobes, music stands, pianos, and computers. Can also be used as a tabletop lamp. Widely used: LED clip-on USB reading light provides a uniform and wide lighting area, ideal for student dormitories, offices, bedrooms, children's rooms, and reading devices. Perfect for reading, studying, and similar tasks.