Garmin Vivosmart 4
Fitness tech companies, particularly Fitbit and Garmin, want to monitor the level of oxygen in your blood. It's a metric that could help spot signs of sleep apnea and other breathing-related problems, so companies have been scrambling to perfect their SpO2 sensors and incorporate this data into...
Attractive; lightweight design; Informative Body Battery metric; Great battery life; even with SpO2 sensor on during sleep; On-device music controls; Works with Android and iOS devices; Syncs with Apple Health
Not as many on-device workouts to track; No connected GPS; No NFC for Garmin Pay; Few communication tools (only Android users will get quick replies for messages); No female health tracking features; Cannot switch out bands