Fitbit Charge 6 Fitness Tracker vs Smart Watch Fitness Tracker with 24/7 Heart Rate, Blood Oxygen Blood Pressure Monitor Sleep Tracker 120 Sports Modes Activity Trackers Step Calorie Counter IP68 Waterproof for Andriod iPhone Women Men
Specifications compared
| Spec | Fitbit | Bestinn |
|---|---|---|
| Battery life | up to 7 days | – |
| GPS | Yes | – |
| Heart rate | Yes | – |
| Sleep tracking | Yes | – |
| Water resistance | water resistant | – |