Add some colour and functionality to your wrist with this purple Nuband Evolve activity tracker. The Nuband Evolve features multi sports functionality to take your fitness to the next level. The band comes with Bright OLED display with long life 7 day plus battery life. It also features multiple tracking functions from walking, running, to gym, cycling and swimming. Evolve is IPX 6/7 WATER RESISTANT so can be worn in up to 20 ft of water for prolonged use. It also features a sleep sensor, saves up to a years data on the app, multiple alarms and sedentary alarms. Download the free evolve app on selected apple and google android devices. comes with soft purple rubber band and ankle adaptor strap.