New open box item. May come in original retail box or non-retail packaging (white/clear bag). Box may show wear. vvosmart HR smart activity tracker with Elevate wrist heart rate technology measures heart rate at the wrist 24/7. That gives you the freedom to work out with no additional heart rate strap needed. Using heart rate, vvosmart HR provides calories burned information and quantifies the intensity of your fitness activities, providing better credit for your efforts. You can even use your vvosmart HR as a heart rate strap on your wrist when paired with other compatible Garmin devices.Sleek band is comfortable to wear all day, and the always-on display shows your stats, even in sunlightDisplays steps, distance, calories, heart rate, floors climbed and activity intensity. Strap material: siliconeReceive text, call, email, calendar and social media alerts,Display type:sunlight-visible, transflective memory-in-pixel (MIP)Reminds you to stay active with move bar and vibration alert. Smartphone compatibility:iPhone,Android,WindowsWrist-based Heart Rate - Tracks Heart Rate to Provide More Accurate Calories Burned Information.Smart Notifications - Displays Any Notification from Your Mobile Device; Calls, Texts, Social, Music, Games, Etc. With Vibration Alerts so You Don't Miss a Beat.