Heart Rate & Sleep Monitoring: ZURURU fitness tracker monitors your heart rate all day. It tracks your sleep (awake sleep, deep sleep, awake time) at night..All-day Activity Tracking: The fitness tracker can track your daily steps, calorie consumed, workout distance and time. You can see detailed data on Hband APP..Call and Message Notification: You can get call,SMS messages and SNS notifications directly on your wrist (including Facebook, Twitter, WhatsApp and Instagram)..Fast & Easy Charging: Built-in USB plug and long battery life, 1-2 hours full charge gives you up to 7-day working time. No messy cables needed, just take the band off from the tracker host and charge it wherever there is a USB port..Multi-Sport Modes & Connected GPS: 11 exercise modes help you better understand specific activity data. Connect the GPS on your smartphone can show stats like pace distance and record a map of your workout route.