- PAI is Personal Activity Intelligence, a scientifically-validated metric showing how much activity you need to do to stay healthy.
- Get heart rate intensity feedback with PAI technology, tracking all activities even those that don’t involve steps.
- Accurate continuous heart rate tracking, 24/7. Also tracks steps, distance, calories burned and sleep as well as displays smartphone notifications.
- Compatible with select smartphones: iOS 9.0 and above (iPhone 5S or newer) and Android 5.0 and above (Google Nexus 5, 5x, 6, 6p; Samsung Galaxy S5, S6, S7, Note 5).