Vibration alerts for call and text notifications, movement reminders, and alarms. 5ATM Smart button enabled to control connected household devices, Swimproof, anodized aluminum cylinder with multicolor LED progress display, Automatically tracks steps, distance, calories, and light and heavy sleep, Non-charging, replaceable batteries last up to 6 months.Bracelets & Bangles1 year guaranteeClean with soft dry cloth Shop At House Of Fraser