[Super Bright LED Lighting and Reflective Material] Enhance visibility and safety during nighttime sports activities. Stay visible in the dark while running, biking, walking your dog, or participating in other outdoor activities. Provides better visibility compared to standard reflective accessories.[Adjustable Size] 29-36cm length light strips are adjustable and suitable for most adults and children. Wear them on the wrist, ankle, or arm. Can also be attached to backpacks, bikes, or jackets.[Three Lighting Modes] Choose from fast flash, slow flash, or steady light modes to suit your outdoor activity needs.[USB Rechargeable] No batteries required. Rechargeable via any USB port for convenient and eco-friendly use.[Ideal for Various Events] Perfect for cycling, running, jogging, walking, and other outdoor activities. Also great for use at nightclubs, bars, event halls, concerts, parties, and festivals.