Techion 2 Pack LED Slap Armband/LED Snap on Bracelet with High Visibility for Cycling/Biking / Walking/Jogging / Running Gear Specially designed for walker, runner, cyclist, dog walker, and other outdoor enthusiast Safety Light in multiple flashing functions, provides high visibility at nights LED Slap Armband, easy to wear, just one snap and you are good to go Replaceable 3V battery, when it runs out, simply replace the battery and keep on using the band over and over again Durable and Lightweight