Withings Activit&eacute; Steel - Activity and Sleep Tracking Watch Activity tracking: steps, distance, swim, running and calories burned Sleep monitoring: sleep cycle analysis (light and deep sleep) silent alarm to start your day with a gentle wake-up vibration Free health mate app for real-time coaching.With a battery that goes the distance and 9 looks to choose from, Activit Steel helps you get fit with a look that fits your personality. This watch has a 316L stainless steel case, chrome hands and a soft silicone sport strap. Please refer user manual attached below for instructions and troubleshooting steps Nokia Health is now Withings. Same products, same team, same commitment to your health. For more information, contact our support.