- LED clamp light with 18 LEDs and a flexible arm. The reading lamp clamps easily to a bed, shelf, or the edge of a cabinet, with multiple adjustable positions for the most comfortable illumination. Ideal for travellers, students, and office workers. - Quality workmanship and eye friendly design. The flexible metal tube can be rotated to direct light precisely and control brightness. Provides pleasant, flicker-free light for reading in the dark. Easy to use and low in energy consumption. - USB powered. Can be powered by a USB charger, USB power bank, or laptop. Compared with incandescent lamps, this lamp saves more than 80% energy. LED light source delivers low energy consumption, long service life, and high light transmission efficiency. - Three modes. One switch controls low brightness, high brightness, and off for simple operation. - Key attributes and compatibility. Built-in 18 LEDs with a flexible metal arm for versatile positioning; clamps to beds, shelves, or cabinet edges; lightweight, durable construction designed for frequent use; suitable for personal reading, study, or bedside lighting. - Practical use scenarios. - Bedtime reading: clamp to the bed frame or headboard for focused, flicker-free light without disturbing others. - Desk study or work: position the light on a desk or shelf to illuminate books and documents with adjustable brightness. - Travel and dorm rooms: attach to a bed, shelf, or cabinet edge in small spaces, powered by USB power sources such as chargers, power banks, or laptops.