4 Pieces USB Rechargeable Light For LED Knit Beanie Hat Strong Medium And Weak Light Mode LED Hat Light USB LED Lights Suitable for most hats, complete combination for easy illumination in daily life; This LED lamp has 3 adjustable brightne settings, namely, strong, medium and weak light modes; can choose the most appropriate brightne to make safer in the darkUSB charging: the flashlights have standard USB, which can be charged through any standard USB port; You can use car charger, computer, socket and portable power box to charge; The indicator will turn red when charging and green when fully charged, easy and convenient to useEasy to install and replace: if you have LED knit beanie hat, just remove the broken head light lamp and replace with our LED head light 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 handsSimple to apply and clean: pre the button in the middle of LED light to adjust the brightne you want; Before cleaning, gently pre the head light lamp cap to remove the lamp on it, and then you can wash the beanie hat simplySuitable 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 occasionsMaterial:plasticcolour:blackPackage Contents:4 * rechargeable LED lightsOnly the above package content, other products are not included.Note: Light shooting 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.