Description Rechargeable: Rechargeable desk lamp. Built-in 2000mAh battery with USB port and USB cable. You can connect it to iPad, notebook, laptop, power bank and adapter (not included) to charge it. The switch on the side has a battery protection function to prevent charging short circuits. The indicator light will change from red to green when charging is complete. . The LED USB reading lamp with switches and simple function buttons that allow you to adjust the light to different light intensities (10% 100%). to meet different lighting needs. Different levels of illumination, ideal for reading at night, black color. . 360 Adjustable and Scratch-Free Clip: The flexible gooseneck can be rotated 360, so you can easily rotate and choose the light direction you want. The metal clamp with foam pad protects your furniture and attaches firmly to any headboard, table or edge of the bed. . eye protection: Eye-caring children reading light from high-quality chips offers no ghosting and no flickering light. The book light does not tire the eyes even if they remain in the light for a long time. Designed to help those who read and work daily to protect vision and reduce eye strain. Great gift for kids book warmers. . Widespread: The versatile USB lamp is very suitable for bedside lamp, bedside lamp, work lamp, desk lamp, table lamp, bedside lamp, camping lamp, nail technician lamp, etc. The clip-on lamp can be attached to the music stand, craft table, drawing board, work area, etc. to enhance your hobby illuminate. .