3 Colors & 3 Brightness LevelsOur neck reading light has 3 color temperature modes: warm light (3000K), natural light (4500K), and cool white light (6000K). This reading light also comes in 3 brightness levels. Whether it's manual work that requires high brightness and concentration or relaxing reading in bed, this book light perfectly suits all your needs. Eye Protection & Ergonomic DesignThis book light uses advanced anti-glare LED lamp beads that don't flicker and filter out blue light to provide maximum protection for your eyes while reading. It is ergonomically designed to fit your neck perfectly, is lightweight, and is covered with soft silicone to give you a comfortable wearing experience. Rechargeable & DurableIt is a USB-C rechargeable reading light that provides quiet lighting. Thanks to the built-in battery, it can work continuously for 6 to 80 hours when fully charged. The USB Type-C interface only needs 2 hours to charge, which is faster than the traditional Micro USB interface. You can charge it at any time from your computer, wall charger, car charger, and power bank. Lightweight and PortableWeighing only 144g, this reading lamp takes up little space and can be easily folded into a backpack or handbag. Whether camping or traveling, this small reading lamp is the perfect companion for nighttime use. Private Reading AreaThe narrow 90 beam angle allows you to aim just at your focus, creating your own private reading area without disturbing your partner or the children next to you. It is an excellent gift for your partner, your children, your parents, your friends.