USB Rechargeable LED Beanie Hat Light, 4 Pieces, Strong/Medium/Weak Modes

compatible with most hats, complete combination compatible with illumination. This LED lamp has 3 adjustable brightness settings, namely, strong, medium and weak light modes; can select the most appropriate brightness to use in the dark. USB charging: the flashlights have standard USB port, which can be charged through any standard USB port; You can use car charger, computer, socket and portable power bank to charge; The indicator will turn red when charging and green when fully charged. Install and replace: If you have LED knit beanie hat, just remove the broken head light lamp and replace with 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 straps, you can sew the leather straps on your hat and install the lights; This combination works compatible with anywhere you work requiring lighting while freeing your hands. Apply and clean: press the button in the middle of LED light to adjust the brightness you need; compatible with cleaning, gently press the head light lamp cap to remove the lamp on it, and then you can wash the beanie hat. compatible with many occasions: this LED rechargeable flashing light works compatible with different occasions, like walking, camping, hunting, shoveling snow, fishing, cycling, running, hiking, barbecue, car maintenance, etc.; the hands free flashlight can be applied in a variety of occasions. Material: plastic Colour: black Package Contents: 4 * rechargeable LED lights