Three-color and multi-level brightness adjustment: There are three modes of warm light, warm white light and white light, which can be gradually adjusted from 100% brightness and dimmed according to your needs. Rechargeable and durable: Built-in 1800mAh battery, when the battery is fully charged, 100% brightness can only be used for 8-80 hours, with a charging interface, saves the cost of purchasing batteries and reduces the generation of waste batteries, manufacturing is more environmentally friendly Comfortable to wear and adjustable arms: The ergonomic neck support can be adjusted to any angle to fix it on the neck, so that it does not move freely and keeps your neck comfortable. It can also be set as a desk lamp. The shape is used, and it can be used on the desk. It is also ideal for reading, knitting, camping, handicrafts, and can have your hands completely free when you do something. Eye-friendly and does not disturb others: Children and adults no longer have eye fatigue, it is