M80 Smart Steel Band Watch for Men, Support Heart Rate Monitoring & Sleep Monitoring & Exercise Pedometer (Silver)

1. Each of the three buttons has smart functions 2. Switch the dial style as you like 3. Incoming phone calls, synchronized reminders, easy viewing of messages 4. Counting steps, calorie consumption, setting small goals for heart rate, making exercise happier 5. Wrist optical sensor, real-time recording of heart rate data 6. Record nightly sleep information to help adjust sleep habits 7. IP68 waterproof 8. Display: 1.28 inches full circle screen 9. Strap material: stainless steel 10. Case material: stainless steel 11. Outer diameter of watch: 45mm 12. Strap size: 22 x 20mm 13. Charging method: magnetic charging 14. System support: Android 6.0, iOS 9.0 and above