Suitable for most hats, complete combination for easy illumination in USB charging: the beanie flashlights have standard USB, which can be through any standard USB port You can use car charger, computer, socket and portable power box to charge The indicator turn red when charging and green when fully , easy and convenient to use Easy to install and replace: if you have LED knit beanie hat, just remove the broken headlamp and replace with our LED lamp If your hats are without LED lights, you can cut the hats according to the shape of the light Equipped with leather traps, you can sew the leather traps on your hat and install the lights This combination is suitable for anywhere you want work lighting while freeing your hands Simple to apply and clean: press the button in the middle of LED light to adjust the brightness you want Before cleaning, gently press the headlamp cap to remove the lamp on it, and then you can wash the beanie hat simply Suitable for many occasions: this LED rechargeable flashing light is suitable for different occasions,like walking dogs, camping, hunting, shoveling snow, fishing, cycling, running, hiking, barbecue, car maintenance, etc. Easy to match, the hands free flashlight can be applied in a variety of occasions Material:plastic colour:Black Package Contents: 2 x rechargeable LED lights Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.