Description
Fitbit Sense 2 Health & Fitness Watch - Blue Mist | FB521GLBM
- All-day body-response tracking with a newly added sensor
- Sleep Profile and breakdown of time in light, deep & REM sleep to see what's impacting your rest (Premium only)
- ECG app
- Blood oxygen (SpO2)
- Notifications for call, text and apps (Available when phone is nearby)
- 6+ day battery life (Varies with use and other factors)
