visibility and reflective surface The LED reflective armband is visible in low light and its reflective surface helps you stay seen during morning walks, night runs, or dog walking. 3 colors with 6 lighting modes Three solid colors: blue, green, red Each color has a flashing version: blue flash, green flash, red flash Choose the preferred color and mode for outdoor activity Rechargeable and IPX5 water resistant 500 mAh capacity, TypeC rechargeable; full charge in about 1.5 hours IPX5 splashresistant for light rain or spray Run time: up to 20 hours in solid color modes, up to 30 hours in flash mode Quick charge: 20 minutes provides around 5 hours of use Adjustable, versatile fit Length: 11.6 to 16.5 inches (29.5–42 cm); arm circumference 11 to 14 inches (28–36 cm) Flexible enough to fit most men, women, and children Wear on the wrist, ankle, or arm for versatile visibility Use scenarios Ideal for early morning jogs, evening dog walks, or cycling on dim roads Safe when commuting or performing outdoor chores after dark