2Pcs USB Rechargeable Running Light Fluorescent

High brightness: brightness up to 150 lumens, with 4 lighting modes to meet different light needs. Easy to use: this running light has 4 setting modes: 100% brightness, 50% brightness, 30% brightness and cob on, which can be switched with one click. Outstanding convenience: you can wear it anywhere, such as a hat, pocket, running belt, suitcase belt, running vest, dog collar, etc., and both hands are free. Usb rechargeable: usb rechargeable, no batteries required! It can be charged with any usb output and does not require a charging cable. Package included: 2 x running light, 2 x headbands, 2 x hand straps.