[6 Adjustable Brightness]: LEDBOLIK neck light has an independent switch and color temperature (6500K to 7000K) and 6 brightness modes (low, medium, high). You can choose a comfortable setting as you wish for reading, knitting, camping, or repairing and more..[USB Rechargeable Reading Light]: These reading lights built-in rechargeable 660mAh lithium battery allows you to enjoy your reading time comfortably. RED light means charging in progress and GREEN light means full charged. You can charge it with many methods such as laptop, power banks, 5V phone charger (not included) and car charger, which allows you to charge your neck reading light anytime, anywhere..[Flexible and Bendable Arms]: These book light use soft ABS material helps you choose comfortable lighting angle as your needs change. You can wear book light around your neck easily for reading, or you can fold the neck light into any shape to meet different demands..[User Friendly Design]: This LED neck reading light is very comfortable, can prevent eye strain and avoid disturbing others. Glare-free, no flicker, low-heat, UV-free and fully adjustable natural lighting can reduce user eye strain when reading and the reading light can protect the eyesight of all users..[Portable and Wide Application]: This neck book light weighs only 0.5 ounces. The small reading light is convenient to carry, whether you are daily reading, running, camping or traveling, this led light is your perfect companion for nighttime use.