The Halo watchface is a Pebble watchface featuring:
- Ring-based design with dynamic layout adapting to round (Gabbro, Emery) and rectangular (Flint, Chalk) displays
- Stats: Current time, date, real-time weather, Steps, and heart rate (on supported devices)
- Customizable theme and temperature unit (°F/°C)
- Digital or analog watchface
- Settings to enable or disable what is shown