The smartwatches by Amazfit help you to stay up to date with your messages and work on your health. You connect an Amazfit smartwatch to your smartphone via Bluetooth and read and answer all your messages and notifications from your wrist. The Amazfit GTR and GTS also give you insight into your health. They measure your heart rate and track your sleep. Do you want an Amazfit smartwatch to exercise with? Go for the Stratos or Stratos 3. These models measure your VO2 max, recovery time, training load, and training effect. Thanks to these measurements, you gain insight into your sports performance and health.