Adjustable Focus Reading Light The bedside LED reading lamp has an adjustable focus head that uses COB LED chips and optical lenses. The beam angle can be set from 15 degrees to 80 degrees, allowing precise control over the illuminated area for your needs. Adjustable Brightness and Colour Temperature Three colour temperature settings and ten brightness levels provide flexible lighting for different activities and times of day. Suitable for bedside reading, book illumination, children's reading lamps, and various task lighting applications. Robust Clamp and Flexible Arm A sturdy clamp with anti slip washers supports secure attachment with an opening of up to 5 cm. The lamp uses a 9 mm diameter gooseneck tube, which is larger than standard 8 mm, for improved stability. It offers 360degree flexible adjustment with minimal wobble to maintain comfortable reading angles. USB Power Supply Powered by a USB DC 5V source and compatible with most USB equipped devices, including power banks, desktop computers, laptops, and USB charger adapters (adapter sold separately). Comes with a 1.5metre USB switch control cable for flexible positioning. Practical use scenarios Bedside reading and night time reading sessions. Focused book illumination for studying or detailed tasks. Children's reading lamps and early learning activities.