About This

LED lighte contains four (4) bulbs . With 4-8 hours of runtime on a single charge, you’ll have the perfect amount of light for any task.
With three (3) adjustable brightness settings. Divided into 100% brightness, 50% brightness, 25 brightness. High brightness, long lighting time, very convenient.
Its standard USB port allows you to charge in the car, with your computer, or using a portable power bank.2 pcs lights charging alternately to save time.
There is an ON/OFF button in the middle LED light, just press the button in the middle of the LED to turn it on or off.
USB Rechargeable Light for LED Knit Beanie,as a replacement ,Easy Install Quick Replaceable Headlamp.