[Superior Safety and Visibility]: This LED reflective vest offers superior visibility and safety. Featuring high-brightness LEDs and reflective strips, it ensures 360-degree all-around visibility in low-light conditions such as early morning and evening. Even at a distance of 1000 feet (approximately 305 meters), it remains clearly visible, ensuring your safety during activities such as running, cycling, walking, skiing, and motorcycling. Our LED reflective vest has three adjustable modes: constant light, slow flashing, and fast flashing, which can be switched via a button. It effectively alerts vehicles at a distance. [USB Charging, Long Battery Life]: This LED reflective vest is equipped with a Type-C interface, significantly improving charging speed. A single charge provides over 24 hours of continuous use, so you don't have to worry about running out of power during exercise. [Comfortable and Adjustable]: Our LED reflective vest features adjustable shoulder width. Made of elastic fabric, it is lightweight and comfortable. The ergonomic design ensures a secure fit over any clothing, making it suitable for all seasons. One size fits all adults. [Multi-Scene Application]: This multi-functional LED reflective vest is suitable for jogging, cycling, motorcycling, dog walking, construction site work, and nighttime activities. Made of durable and waterproof material, it provides reliable safety all year round. Suitable for all weather conditions, ensuring your safety day and night.