LED Beanie Knit Cap Light Ultra-Bright Hands-Free Hat Light USB Rechargeable Headlamp Winter Warm Outdoor Hat With Flashlight LED Headlamp

Wool knitted headlamp cap LED maintenance cap   [Name]: LED lighting knitted hat   [Hat material]: acrylic   [Light source]: 4 LED lights   [Power supply method]: Lithium-ion battery (500mAh)     ?use time?:   White light in 3 different brightness levels             Use the brightest file for about 3 hours             Use the middle gear for about 5 hours             Use in low light range for about 6-8 hours     [Hat weight]: about 90-95 g / piece   [Hat model]: Adult men and women size   [Use]: Mountain climbing, camping, night fishing, etc.