Heart rate on the wristband (in BPM and % Max HR), stopwatch, calories burnt.
Automatic and manual exercise zones (comfort, endurance, resistance).
Readable screen in full sunlight.
2.5 days in heart rate mode, 30.5 days in watch mode.
Water resistance rating of 5 ATM. You can swim on the surface.
Heart rate measurement at the wrist for added comfort.
The heart rate can be sent to the Decathlon Coach app.