DescriptionThe sports backpack pendant is powered by a small button battery and designed with reflective performance, which provides good visibility and allows people to be noticed by vehicles during exercise, keeping them safe at dusk or in the dark.Features- Material: LED light, Reflective Lattice, Controller, Hook. - Size: 25.50X3.50X0.01cm/10.02X1.38X0.00inch. - High visibility, perfect for night running, cycling and walking. A wonderful product for policemen and workers also. - With reflective lattice design, powered by button battery, it can offer high levels of visibility. - Suitable size and lightweight, easy to use and fit so many people well. - The LED running backpack hanging band can be applied for many outdoor activities, such as running, jogging, cycling, hiking, biking and walking at night. - Super bright, comfortable, soft, easy to use, user friendly, real well thought out design and multi-function. Apply to children, adults and pets.