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 with white power cable and LED lamps. LED clampable desk lamp emits natural and non-flickering light that helps reduce eye strain. 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. Freely rotatable tube allows 360-degree adjustment for optimal viewing angle. Non-slip silicone pad on base enables stable placement. 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 placed on a table as a standard table 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 use with e-readers. Suitable for reading and studying.