Mira Wellness and Activity Bracelet Durable and flexible surgical-grade stainless steel bracelet is available in three (3) sizes: petite (2 in. diameter), small (2.2 in.), and medium (2.5 in.) Tracks steps, calories, distance and elevation Removable Mira tracker can be worn in bracelet, clipped to clothing or kept discreetly in your pocket Syncs with the free Mira app for personalized health and wellness suggestions. Available for iOS and Android. Comes with USB charger, device lasts up to 5 days on a single charge Now compatible with iOS and Android