USB RECHARGEABLE & EASY-TO-USE: built in and removable rechargeable LED light, 10 hours runtime, built-in USB connector for charging. Can be charged from any USB port: car charger, portable power bank and PC, no more re-purchase or charging batteries, no need extra charging cable. Light turns on/off with a push of a button ELASTIC & PREMIUM QUALITY: with high elastic and cozy material this winter warmer LED knit hat can fit most head sizes for kids, men, women. Close to the skin, gives lasting warm and soft. Perfect as gift in Halloweens/Christmas/Birthday/New Year's for your family members, friends and anyone you love. Machine Wash, Hand Wash Only Fastening: Elastic VISIBILITY & SAFETY: there are 3 modes in our LED lighted beanie, ensure you to see clearly in dark. The headlamp can light the distance up to 30 feet away. It points directional light toward what your eyes are looking at. SUPER POWERFUL: Built-in 4 SMD LED head light, providing 120 Lumens and up to 4 hours of continuous use or 68 hours of realistic intermittent use. Provides enough light for finding your way in the dark or completing tasks in poorly lit environments, meanwhile the knitted cap can keep you warm in cold weather. BEST DAD GIFT: Beanie cap hat with LED light is ideal for Dog Walking, Jogging, Biking, Camping, Hunting, Fishing,Hiking, Handyman Working, Grilling, Auto Repair and home improvement or any other activity require hands-free lighting. This multiple use feature makes it a perfect gift in Christmas/Birthday/New year for your dad/husband/boyfriend.