Long-lasting battery life: Built-in 1800mAh large-capacity battery, one charge can support 8hrs long-term use (at the brightest condition), convenient for business trips, travel and other occasions. Infinitely adjustable brightness: You can easily adjust the light brightness (3000-6000K) according to personal preferences and ambient light to reduce eye fatigue. 270° rotating lamp head: The light direction can be adjusted as needed, without dead angle lighting, providing a better reading experience. 3-color light source: You can choose cold white light, warm white light or . The 11pcs high-quality LED light source provides clear and soft light to meet the reading needs in different scenarios. Whether you are focusing on studying, working or reading for leisure, it be your . Can be hung around the neck or desktop: The soft silicone tube body can be hung around the neck to free your hands; it can also be placed on the desktop and used as a desk lamp, which is flexible and diverse.