| Connectors / communication | GPS |
| Connectors / communication | GLONASS |
| Connectors / communication | Galileo |
| Installed sensors | Accelerometer |
| Installed sensors | Heart rate |
| Type of battery | Built-in |
| Battery durability | 7 day |
| Battery durability | 13 hr. |
| Activity tracking | Pulse rate |
| Activity tracking | Steps |
| Activity tracking | Move bar |
| Activity tracking | Sleep |
| Activity tracking | Calories burned |
| Activity tracking | Distance traveled |
| Activity tracking | Intensity minutes |
| Activity tracking | Body Battery Energy Monitor |
| Activity tracking | All-day Stress Tracking |
| IP rating | 5ATM |
| Built-in speaker | Jā |
| Screen diagonal | 1.04 inches |
| LCD display type | Sunlight-visible |
| LCD display type | Transflective |
| LCD display type | Memory-In-Pixel (MIP) |
| LCD display type | Color |
| LCD display's resolution | 208 x 208 pixels |
| Compatible phones | Android |
| Compatible phones | iPhone |
| Other smartwatch functions | Time |
| Other smartwatch functions | Date |
| Other smartwatch functions | GPS Time Sync |
| Other smartwatch functions | Automatic daylight saving time |
| Other smartwatch functions | Alarm clock |
| Other smartwatch functions | Timer |
| Other smartwatch functions | Stopwatch |
| Other smartwatch functions | Smart notifications |
| Other smartwatch functions | Calendar |
| Other smartwatch functions | Weather |
| Other smartwatch functions | Music control |
| Other smartwatch functions | Find my phone |
| Other smartwatch functions | Find My Watch |
| Other smartwatch functions | Incident Detection during select activities |
| Other smartwatch functions | Assistance |
| Other smartwatch functions | Auto goal (learns your activity level and assigns a daily step goal) |
| Other smartwatch functions | Sleep monitoring |
| Other smartwatch functions | Gym activity profiles |
| Other smartwatch functions | GPS speed and distance |
| Other smartwatch functions | Customizable data pages |
| Other smartwatch functions | Customizable activity profiles |
| Other smartwatch functions | Auto Pause |
| Other smartwatch functions | Interval training |
| Other smartwatch functions | Advanced workouts |
| Other smartwatch functions | Downloadable training plans |
| Other smartwatch functions | Auto Lap |
| Other smartwatch functions | Manual lap |
| Other smartwatch functions | V02 max |
| Other smartwatch functions | Audio prompts |
| Other smartwatch functions | Touch and/or button lock |
| Other smartwatch functions | Activity history on watch |
| Other smartwatch functions | HR zones |
| Other smartwatch functions | HR alerts |
| Other smartwatch functions | HR calories |
| Other smartwatch functions | HR Broadcast (broadcasts HR data over ANT+ to paired devices) |
| Other smartwatch functions | Run profiles |
| Other smartwatch functions | Cadence (provides real-time number of steps per minute) |
| Other smartwatch functions | Cycling profiles |
| Bundle includes | Forerunner 45 |
| Bundle includes | Charging cable |
| Bundle includes | Documentation |
| Width | 42 mm |
| Depth | 11.4 mm |
| Height | 42 mm |
| Net weight | 36 g |
| Colour | Red |
| Additional information | Lens Material: chemically strengthened glass |
| Additional information | Strap material: silicone |
| Additional information | Memory/History: 200 hours of activity data |
| Additional information | Compatible with Garmin Connect Mobile |
| Additional information | Compatible products: |
| Additional information | Garmin Index Smart Scale |
| Additional information | Foot Pod |
