SPEED Running Shoe Clips Multipurpose USB Rechargeable Outdoor Sports Waterproof LED Luminous Safety Shoe Accessories 60 Hours of Electricity (1 Pair) Just one pair of shoeclips with bright LED lights keeps you safe whenever you are doing sports. Every shoeclip is equiped with bright enough LED lights. The moving LED lights in non-traffic colors catch other peoples and drivers attention, especially in the dark, which alert people and cars from hitting you. With the newly improved LED technology, the ultra bright lights are visible up to more then half mile, offering around 80-110 hours of illumination. Shoeclips made of new materials fit for most of shoe types. The shoeclips are designed to be securely hooked onto your shoes with no adhesives or fasteners. The target shoe size heel width ranges from 2 to 3.5 inch, which fits most size shoes. The adjustable shoeclips are doable for not only adults but also kids, and they can be use whatever you are wearing, such as Nike, Adidas, New Balance, Asics, Puma etc. Alternative two lighting modes humanlized designe offers more convenience. With the clips featuring two modes, you can do running, cycling, hiking and so on, with neither flashing mode or lighting mode. The flashing mode makes you more noticeable and protect you from being injured. Press once to keep for the first lighting mode, press again to activate the flashing mode. 4.Better and longer lasting quality save your money. Waterproof night walking lights last for 60 hours of use while fully charged. 2 hours of exercise each day, the LED Lights could work for 1 month. Rechargeable USB design means no need to change battery. The newly improved materials make it possible to be used for a long period, save much more money from buying a new one. The waterproof and light weight design make exercise more doable. Thank to the waterproof design, you can go running, hiking, cycling and so on whenever its raining or snowing. Whats more, the shoeclips is small and light enough so that you can bring it with you everywhere. Because of the portable design, you can do sport at any terrain of any weather.