3 color temperatures and stepless dimming This dimmable LED desk lamp provides warm light, white light, and warm white light to cover study, work, and life scenes. It is touch activated: a short press switches color, a long press enters infinite dimming, and brightness adjusts with the length of the press. Foldable design with adjustable lamp arm Folds and rotates 180° for directing light exactly where you need it. Lightweight with a rechargeable built-in battery, it is easy to use at home, in the office, in the study, for reading, in the bedroom, at work, or while traveling. It can be powered by plugging in or charging via USB, and is ideal for small spaces and crowded desks. Small desk lamp with pen and mobile phone holders Equipped with a pen holder, mobile phone holder, and handheld fan base, this lamp combines multiple functions in one to save desk space and keep essential items within reach. Save charging space Built-in 2000 mAh battery provides about 4 hours of continuous use after a full charge. It can be powered via any USB port by plugging into a laptop, desktop computer, or mobile power bank.