Portable Hummingbird Bedroom Lamp Design --- This LED lamp is inspired by a hummingbird flying outside the window. This wireless lamp has a built-in 1800mAh rechargeable battery, providing up to 4 hours of continuous use at maximum brightness and up to a week at minimum brightness. It can be used as a regular bedside lamp (via USB connection) or as a camping lamp (with rechargeable function). Three-color adjustable brightness --- This LED desk lamp has a built-in touch sensor, allowing it to be used as a touch lamp. A short press selects three colors (white/normal white/warm light), and a long press adjusts the brightness. The lowest brightness (25%) is suitable for sleep, while the highest brightness (100%) is suitable for reading and children's rooms without disturbing family members or infants. Easy installation --- This children's lamp comes with a keychain, allowing you to hang it wherever you want. It can be easily removed without tools. The perfect Christmas gift --- This LED bedroom lamp is a unique small gift for family or friends, and is also ideal for students, Mother's Day, Father's Day, anniversaries, Valentine's Day, Teacher's Day, Thanksgiving, Christmas, wedding anniversaries, and other holidays. This bedside lamp will improve your well-being. Dimensions: 21.5 cm (length) * 6 cm (width) * 15 cm (height).