USB lamp decorative room lighting and learning light USB powered it can connect to a computer, power bank, or USB charger simple plug in and use for study or ambient decor Book reading light three brightness levels provide eye friendly lighting for reading and study designed for convenient use in offices, on desks, or beside the bed USB powered for versatile power options Eye protection lamp eye protection features suitable for prolonged use in various rooms ideal for bedroom, living room, stairs or study decoration USB powered Book light practical night light for reading books, notebooks, or laptops USB powered for flexible use with computers or USB chargers Use scenarios Night reading in bed or at a desk using the book reading light to protect eyes while providing clear illumination Desk study or office tasks with focused lighting from the USB lamp or book reading light, avoiding harsh glare Safe hallway or stair navigation and ambient decor with the eye protection lamp, while also enhancing living room or study aesthetics