Features
- Three optical heat rate sensors : three pulse-point sensors for accurate heart rate tracking, even during performance workouts
- Touchscreen display : view activity, stats, log calories, and receive smartphone notifications on an OLED touchscreen
- MoveReady™ Technology : automatically detects when you’re walking, running or sleeping
- Water-resistant
- Tracks light, deep, and REM sleep
- All-day activity tracking
- Perfect for performance athletes and high-energy workouts