The warm knitted beanie hat features an integrated 150 lumen USB rechargeable LED head light. The light unit can be removed from the beanie and charged on the move from a computer or smartphone charger, and has 4 Samsung SMD LEDs. These LEDs power the light which has a run time from 2.5hr on high to 6.5hrs on the dim setting. The light has three settings which can be controlled from the front switch, High, Med, Flash. The Beanie hat is ideal for plumbers, electricians, builders, runners, walkers and any tradesmen who are looking to work hands free.