Brighter and safer: Front and rear light strips and reflective strips provide 360° reflection and visibility to help you stand out in the dark. A must-have for anyone who likes walking, running, or cycling in the dark. USB rechargeable: No battery replacement, no frequent charging. It comes with 2 micro USB ports, so it can be charged at the front and rear simultaneously. There are 3 modes: slow flashing, fast flashing, and steady. Easy and convenient: Very easy to put on and take off, just pull it over your head and one arm. It folds up very small and compact, making it perfect for taking with you. Protect yourself anytime, anywhere Weatherproof and lightweight: We specially designed a small waterproof bag for the battery, so you don't have to worry about damaging the battery even if you use it in the rain. It weighs only 80 grams, and you won't even feel it when you wear it. Universal fit: Thanks to the highly elastic and adjustable design, our reflective running clothes are