1Three Levels Adjustable: LED neck reading light adopts touch button, there are three levels of color temperature adjustment. 24 LED Lamp Beads: Neck reading light adopts 4 high brightness LED lamp beads, which have good heat dissipation, uniform and soft light emission, and protect eyesight health. 3360 Universal Hose: 3 color neck lamp uses a 360 universal hose, which can freely adjust the lighting angle to meet the lighting needs of different angles, light weight, and no weight on the neck. 4Long Battery Life: Book light has a built in 1000mAh high capacity lithium battery, which can be continuously charged and used, with over power protection, and the product life is up to 50000H. 5USB Charging: 4 LED neck lamp adopts USB charging, which is very convenient, ABS shell is rust proof and wear resistant, suitable for night running, reading, maintenance, etc.