Rechargeable and Durable - The LED reading light has a built-in 700mAh rechargeable battery, one charge guarantees free use, enjoy more durable and stable light. With the included USB cable, it can be recharged like a mobile phone. Flexible arms - flexible hanging book lamp and strong 360 rotation, let you choose the best lighting angle in the different environments, simple and easy to create the perfect brightness for yourself.The length of one side is 28cm, it is made of silica gel material, it is very comfortable to touch the skin, and it is healthy and harmless. Reading night with multiple lighting modes - The reading lamp has an independent switch for 3 levels of dimmable brightness. color temperature 6500-7000K. meet your different lighting needs. You can also turn the light on just one side so that the area where your husband or wife is sleeping is even darker, making nighttime reading more boring for others nearby.