USB rechargeable clip on LED book light Versatile design that can be used as a small desk lamp by standing the unit on its clip base, or as a clip on light for books and documents Simple and durable construction for long term use; convenient clip on light for books and reading material LED book light with three color temperature settings and stepless brightness adjustment for precise illumination Magnetic clip can attach to iron surfaces for lighting, and the light can be clipped directly onto paper books or pages; also functions as a clip on light holder Use scenarios Bedtime reading: clip the light onto a book or bed frame for focused, glare illumination without disturbing others; adjust color temperature and brightness to suit nighttime reading Desk or study work: attach to the edge of a notebook or metal desk to provide adjustable task lighting; the USB rechargeable battery supports long study sessions On the go or travel: clip onto a notebook, magazine, or metal surface while commuting or in a hotel; compact, portable lighting that is easy to carry