DescriptionThese night running luminous armbands are made from good materials, which provides good visibility and allows people tobe noticed by vehicles during exercise, keeping them safe at dusk or inthe dark. And you can wear this armband when you are running at night, glowing design will protect your safety.Features-Color: Light Green -Material: Nylon, LED Electronics -Size: 28.00X2.50X1.00cm/11.00X0.98X0.39in -Battery: Thebutton battery is included.-Charging time: 5 Hours -Luminous Time: 60-80 Hours-Usage Time: 1 -2 Months-Adoption of high grade nylon material, can be reused for a long period without broken. -High-grade wristband is firmer, delicate, adjustable, beautiful and not easy to skid off. -Our reflective bands designed with adjustable buckle, you can adjust at any time depend on your arm. -Perfect for walking with dogs, running, jogging, cycling, sports and other night activities. -You can easily be seen from all angles with this safety band, adding visibility at night.