VISIBILITY & SAFETY: there are two modes about our LED lighted beanie, white light lighting mode ensure you can see clearly and There are three stalls for you to choose fromit can light the distance up to 55 feet awayUSB RECHARGEABL & EASY-TO-USE: no longer re-purchase and change batteries for your light up beanie, only a standard USB port from the computer or mobile phone charger. press the button in the middle of LED light to switch on/off.AcrylicFastening: ElasticBeanieCONVENIENT LOADING & WASHABLE: just need pull stocking cap rim open and push light inward to separate them and wash the cap or charge for the light,4 LED lights have high quality IP44 waterproof rating.ELASTIC & UNIVERSAL SIZE: this winter warmer LED knit hats can fit wide range of head sizes for most kids, men, women, with high elastic.FIT WITH: it is perfect flashlight beenie for camping,party,cycling, grilling, auto repair, fishing, jogging or walking with dog in the cold winter night.