Garmin Vivosmart Green Large SMART NOTIFICATIONS - Monitor calls, texts, meetings, emails and other notifications with vibration alerts so you dont miss a beat SLEEK TOUCHSCREEN BAND - Double tap to reveal the hidden OLED touchscreen and swipe to navigate pages VIBRATION ALERTS - vvosmart lets you know when you have calls, texts, emails, meetings, or if you just need to walk, with a vibration alert. SENSOR COMPATIBILITY - Get more out of vvosmart - pair it with a heart rate monitor1, bike speed sensor or VIRB Elite action camera2 AUTO SYNC - vvosmart automatically syncs with mobile devices at strategic times throughout the day, such as when a goal is met or when several steps have been taken since the last sync.