| Garmin Vivofit 4 | |
 | |
| Tech specs | |
| Size | Width: 19 mm Thickness: 9.4 mm Circumference (small/medium): 122-188 mm Circumference (large): 148-215 mm |
| Material | Silicone |
| Charging | No |
| Battery | 2 x SR43 user-replaceable |
| Battery life | More than 1 year |
| Water-resistance | Swim |
| Weight | Regular: 26 grams; X-large: 28 grams |
| Sensor | 3 axis-accelerometer |
| Display | 88 x 88 pixels |
| Screen size | 0.43" x 0.43" (11 x 11 mm) |
| Colors | Black, White, Speckle |
| Other | 4 week internal memory |
| Activity tracking | |
| Steps | Yes |
| Distance | Yes |
| Calories burned | Yes |
| Activity | Yes |
| Floors | |
| Sleep | Monitors total sleep and periods of movement or restful sleep |
| Heart rate | |
| Stress & recovery | |
| Pulse Ox | |
| Respiration rate | |
| UV exposure | |
| Skin temperature | |
| Galvanic skin response | |
| Hydration level | |
| Calorie intake | |
| GPS | |
| Running features | Accelerometer (calculates distance for indoor workouts, without need for a foot pod), personal records. |
| Swimming features | |
| Other | - Time/date, automatic daylight saving time, alarm clock, timer, stopwatch, Weather, Find My Phone - Auto-goal, intensity minutes, True Up, Move IQ, Toe-to-Toe |
| Non-fitness functions | |
| Smartphone notifications | Yes |
| On-board music storage | |
| Connected pay | |
| LTE | |
| Links | |
| Affiliate link* | Amazon | Garmin |
| Read more | Article |
**All tech specs and images on this page come from manufacturers. These may change over time as manufacturers sometimes update their devices. While we cannot guarantee absolute accuracy of information on this page, we promise to review this content regularly and do our best to bring you the most up-to-date information. To be absolutely sure of tech specs of a particular device, we recommend checking the manufacturer’s website.