Eye-Protecting Reading Light: This reading light uses advanced anti-glare LED lamp beads to protect your eyes as much as possible while reading, and the soft light will not disturb your sleeping partner at all. Note: After receiving the reading light, please fully charge it before use to prevent the battery from running out during transport. 【3 Brightness Levels & 9 LED Lights】This USB rechargeable light features 3 color temperatures: warm light (3000K), natural light (4500K), and cool white light (6000K), as well as 3 brightness levels. Short press to freely adjust the brightness, which can be easily adapted to various occasions as a reading lamp. 360° Flexible Lamp Arm: This hanging neck light is made of soft TPE material, which is comfortable to touch, convenient to carry, and does not slip easily during use. Built-in metal tube, can be bent 360° to the desired position, and the two sides of the bedside book light can be adjusted separately, just press 3 times to adjust the brightness. Rechargeable Book Light with Built-in Lithium Battery: (with data cable) It can be fully charged in 2 hours, and the maximum lighting time is 5-30 hours, without worrying about the battery running out quickly. Battery care instructions: If it is inactive for more than 3 months, it should be pre-charged for about 30 minutes before turning it on. It is forbidden to store it when the battery is discharged. Portable and Multifunctional: This LED neck light weighs only 140 grams, is compact and lightweight, and can be easily folded and put in a backpack. The neck-hanging reading light is perfect for reading in bed, in the car, or traveling at night, and is also suitable for sewing, knitting, and even outdoor sports such as travel, camping, and night running.