BSEEN Running Belt - Waist Belt - LED Running Waist Belt USB Rechargeable Light Weight Polyester Sport Belt Adjustable Elastic Band and Buckle for Runner USB rechargeable running Belt is with mini cable (included)no need to change battery,easy to use Bseen LED Belt is Weather resistant not waterproof, it is suitable for small rain on condition that you dry it out right away High quality material :Nylon fabric cover TPU light tube with sturdy clip and strong elastic belt Good variety of colors.: red pink orange with Red LED Green with Green LED Blue with Blue LED Bseen LED waist band is elastic and is adjustable,Suit for child ,women and men, range from 22-32 waist