1. Rechargeable This rechargeable clipon lamp has a builtin rechargeable battery, getting rid of the trouble of constantly replacing batteries. Enjoy continuous use with its longlasting performance and help create a greener environment by reducing battery waste. It can be powered up conveniently anytime, anywhere with its USB charging function. 2. Infinitely Dimmable It offers lighting with infinitely adjustable brightness and dual color temperatures (3000K 6000K). You can easily switch between warm and cool light modes by simply touching it, creating the atmosphere for reading or relaxing at any time of the day or night. 3. Versatile With its strong clip, you can firmly attach this rechargeable clipon lamp to bed frames, desks, books, or headboards wherever you need it. The adjustable 360degree neck ensures the light positioning for maximum comfort during longterm use. 4. For Students Designed considering dorm life, this 200mm dimmable night reading lamp is suitable for small spaces. Its portable size and noiseless operation make it an essential study companion for latenight study sessions. You can take this rechargeable clipon lamp anywhere due to its sleek ABS construction and a minimal weight of only 44g.