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The Garmin Forerunner® 255S is a compact GPS running smartwatch designed for serious athletes and casual runners alike. With a lightweight build, it features a vibrant always-on display, up to 12 days of battery life in smartwatch mode, and 26 hours in GPS mode. It offers advanced health insights, personalized training suggestions, and adaptive workout plans to enhance your running experience.



| Memory Storage Capacity | 4 GB |
| Display Type | Sunlight-visible, Transflective Memory-in-Pixel (MIP) |
| Human-Interface Input | Buttons |
| Compatible Devices | Smartphone |
| Control Method | App |
| Are Batteries Included | Yes |
| Supported Satellite Navigation System | GPS |
| Connectivity Protocol | Bluetooth, Wi-Fi |
| Sport Type | Training, Track & Field, Exercise & Fitness, Running, Outdoor Lifestyle |
| Battery Average Life | 12 days |
| Mount Type | Wrist Mount |
| Resolution | 218 x 218 pixels |
| Screen Size | 1.1 Inches |
| Additional Features | Triathlon And Multisport Profiles, Built-in Sports Apps, HRV Status, Wrist-Based Running Power, Garmin Coach, Race Adaptive Training Plans, Improved Sleep Monitoring And Sleep Score, Morning Report, Wrist-Based Running Dynamics, Daily Suggested Workouts |
| Connectivity Technology | Bluetooth, USB |
| Map Types | North America |
| Item Weight | 1.4 Ounces |
| Item Dimensions L x W x H | 1.61"L x 1.61"W x 0.49"H |
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