Pebble Steel Smartwatch / Smart Watch for Andriod / iOS (Steel Metal Band) Crafted from marine-grade stainless-steel and Corning Gorilla Glass; Discover thousands of apps and watch faces to customize Pebble Steel to fit your life Control your music right from your wrist with iTunes, Spotify, Pandora and more Rechargeable battery lasts 5-7 days on a single charge