Brighter and Safer: Front and rear light strips and reflective strips can provide 360° reflection and visibility to make 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, so it can be charged at the front and rear at the same time. There are 3 modes: slow flashing, fast flashing and stable Simple and Convenient: Very easy to put on and take off, just pull it over your head and one arm. Since it folds up to be very small and compact, it is perfect to take 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 the battery being damaged even if you use it in the rain. It weighs only 80 grams and you won't even feel it when wearing it. Universal Fit: Thanks to the highly elastic and adjustable design, our reflective running clothes are