Garmin Forerunner 55
Battery
| Battery life |
Smartwatch mode: up to 2 weeks GPS mode: up to 20 hours |
| Battery type | Rechargeable lithium-ion |
| Removable battery | No |
| Wireless charging | No |
Body
| Dimensions (mm) | 42x42x12 (WxHxD) |
| Weight (g) | 37 |
| Water resistant | 5 ATM |
Connectivity
| Bluetooth | Yes |
| Near Field Communication (NFC) | No |
| WiFi | No |
Display
| Resolution | 208x208 |
| Size (") | 1.04 |
| Type | Sunlight-visible, transflective memory-in-pixel (MIP) |
Sensors
| Accelerometer | Yes |
| Blood oxygen levels | No |
| Compass | No |
| Exercise tracking | Yes |
| Gyroscope | No |
| Sleep tracking | Yes |
| Heart rate sensor | Yes |
Watch Strap
| Max. wrist circumference (mm) | 203 |
| Min. wrist circumference (mm) | 126 |
Memory
| Device memory | 200 hours of activity data |
Features
| GPS | Yes |
| Loudspeaker | No |
Warranty
| Device warranty | 24 months |
Compatibility
| App compatibility | Garmin Connect |
| Compatibility |
Android: 6.0 or later (must support Google Play) Apple iOS: 13 or later (iPhone, iPad, iPod Touch only) |