LED Light USB Rechargeable Headlight for LED Knit Beanie,Easy Install Quick Replaceable Headlamp with Three Adjustable Brightness Settings

LED Light USB Rechargeable Headlight for LED Knit Beanie,Easy Install Quick Replaceable Headlamp with Three 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. USB Rechargeable Light for LED Knit Beanie,as a replacement ,Easy Install Quick Replaceable Headlamp.