Wear todays fitness goal on your wrist with vivosmart HR. Its the only sunlight-readable, touchscreen activity tracker with Garmin Elevate wrist heart rate and a full suite of smart notifications. It counts steps and floors climbed and measures Intensity Minutes. Tracks heart rate to provide more accurate calories burned information. Receive text, call, email and social media alerts and control music on your wrist when you pair vivosmart hr with your mobile device. Wirelessly sync to garmin connect free on-line fitness community. 4MB memory. Display information Touchscreen. Battery 74mAh battery capacity. Low usage time of up to 5 days. Physical specification Size H188, W21, D14mm. Weight 29.6g. Features Water resistant. Dust resistant. Read texts. Read emails. Receive social network notifications. View calendar. Displays weather. Heart rate monitor. Pedometer. Accelerometer. Accessories included: garmin vivosmart hr, charging/data clip.