This super soft, warm and durable knit beanie features USB charging port, 100 Lumens, 4 x 5730 SMD LED, removable light, three modes of brightness. LED head light can be removed easily, allowing soft knit hat to be easily washed in the machine. The high-quality, colorfast material won’t fade over time. Suitable for camping, hiking, exercising, cookouts, and events. This beanie fits adults and kids - one size fits most ages 8 and up.