Garmin Forerunner 255 Music GPS Smartwatch - 45.6mm, Black
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Garmin Forerunner 255 Music GPS Smartwatch - 45.6mm, Black
Product Details
You’re serious about running — and your music. Run at a higher level with the Garmin Forerunner® 255 Music smartwatch. These GPS running smartwatches with built-in music storage help you train and recover smarter with features such as race widget, which helps you plan your race-day strategy with daily suggested workouts. Morning report with HRV status reveals your overall health along with the day ahead. Plus, get up to 14 days of battery life in smartwatch mode for a full picture of your health — from sleep to training.
- Built with a slim design and an always-on, full-color display that’s light on the wrist and easy to read even in direct sunlight
- Forerunner® 255 Music provides up to 14 days of battery life in smartwatch mode and up to 30 hours in GPS mode for a full picture of your health — from sleep to training
- Download up to 500 songs to your watch, including playlists from Spotify, Amazon Music or Deezer (subscription required), and connect with your wireless headphones for phone-free listening
- Morning report summarizes your sleep, recovery time, training status, HRV status and daily workout suggestion in one place as soon as you wake up (This device is intended to give an estimate of your activity and metrics)
- Get ready for your next race with training tips, personalized daily suggested workouts and completion time predictions based on course details, weather and performance
- View your entire week of daily suggested workouts, which adapt after every run to match your performance and recovery
| What You'll Love | |
|---|---|
| Sleep score and insights | Yes |
| Battery life (smartwatch mode) | Up to 14 days |
| Daily suggested workouts | yes (7 days) |
| Pulse Ox blood oxygen | yes (spot-check, and optional all-day acclimation and in sleep) |
| Garmin Pay™ | Yes |
| Multi-band GPS | Yes |
| Music storage | Yes |
| Training status | yes (improved) |
| Display type | Sunlight-visible, transflective memory-in-pixel (MIP) |
| Water rating | 5 ATM |
| General | |
|---|---|
| Strap material |
silicone |
| Lens Material |
Corning® Gorilla® Glass 3 |
| Bezel Material |
fiber-reinforced polymer |
| Quick Release bands | yes (22 mm, Industry standard) |
| Physical size |
45.6 x 45.6 x 12.9 (mm) |
| Weight |
49 g |
| Display Size | 1.3" (33 mm) diameter |
| Display resolution | 260 x 260 pixels |
| Color display | Yes |
| Large font option | Yes |
| Battery life |
Smartwatch mode: Up to 14 days |
| Charging method | Garmin proprietary plug charger |
| Memory/History | 4 GB |
| Clock Features | |
|---|---|
| Time/date | yes |
| GPS Time Sync | Yes |
| Automatic daylight saving time | Yes |
| Alarm clock | Yes |
| Timer | Yes |
| Stopwatch | Yes |
| Sunrise/sunset times | Yes |
| Health & Wellness Monitoring | |
|---|---|
| Wrist-based heart rate (constant, every second) | Yes |
| Daily resting heart rate | Yes |
| Abnormal heart rate alerts | yes (high and low) |
| Respiration rate (24x7) | Yes |
| Fitness age | Yes |
| Body Battery™ energy monitor | Yes |
| All-day stress | Yes |
| Relaxation reminders | Yes |
| Relaxation breathing timer | Yes |
| Sleep | yes (advanced) |
| Sleep coach | Yes |
| Nap detection | Yes |
| Hydration | yes (in Garmin Connect™ and optional Connect IQ™ widget) |
| Women's health | yes (in Garmin Connect™ and optional Connect IQ™ widget) |
| Health snapshot | Yes |
| Sensors | |
|---|---|
| GPS | Yes |
| GLONASS | Yes |
| Galileo | Yes |
| SatIQ™ Technology | Yes |
| Garmin Elevate™ wrist heart rate monitor | Yes |
| Pulse Ox Blood Oxygen Saturation Monitor | Yes |
| Barometric altimeter | Yes |
| Compass | Yes |
| Gyroscope | Yes |
| Accelerometer | Yes |
| Thermometer | Yes |
| Daily Smart Features | |
|---|---|
| Connectivity | Bluetooth®, ANT+®, Wi-Fi® |
| Connect IQ™ (downloadable watch faces, data fields, widgets and apps) | Yes |
| On-device Connect IQ™ Store | Yes |
| Smart Notifications | Yes |
| Text response/reject phone call with text (Android™ only) | Yes |
| View images from notifications on watch (Android™ only) | Yes |
| Morning report | Yes |
| Calendar | Yes |
| Weather forecasts | Yes |
| Realtime settings sync with Garmin Connect™ mobile | Yes |
| Battery saver (customizable low power watch) | Yes |
| Controls smartphone music | Yes |
| Plays and controls watch music | Yes |
| Find My Phone | Yes |
| Find My Watch | Yes |
| Find My Phone during GPS activity | Yes |
| Compatible with Garmin Messenger app | Yes |
| VIRB® Remote | Yes |
| Smart trainer control | Yes |
| Pairs with Garmin Connect™ Mobile | Yes |
| Smartphone compatibility | iPhone® and Android™ |
| Stocks | yes (optional Connect IQ app) |
| Garmin Share | Yes |
| Activity Profiles | |
|---|---|
| Gym | Strength, HIIT, Cardio, Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Jump Roping |
| Multisport |
Triathlon |
| Wellness |
Walking, Pilates, Yoga, Indoor Walking |
| Indoor running |
Treadmill Running, Indoor Track Running, Virtual Running |
| Outdoor running | Running, Outdoor Track Running, Trail Running, Ultra Running |
| Outdoor recreation |
Hiking, Bouldering, Archery |
| Cycling | Biking, Mountain Biking, eBiking, eMountain Biking, Indoor Biking |
| Swim |
Pool Swimming, Open Water Swimming |
| On the Water | Stand Up Paddleboarding, Rowing |
| Racket sports |
Tennis, Pickleball, Badminton, Squash, Table Tennis, Padel, Platform Tennis, Racquetball |
| Snow & winter |
Skiing, Snowboarding, XC Classic Skiing |
| Team sports |
Basketball, Volleyball, Field Hockey, Ice Hockey, Football/Soccer, American Football, Lacrosse, Rugby, Ultimate Disc, Cricket, Softball, Baseball |
| In the ring | Boxing, Mixed Martial Arts |
| Other activity profiles |
Inline skating |
| Safety and Tracking Features | |
|---|---|
| Incident Detection during select activities | Yes |
| Incident detection alert on phone for wearables | Yes |
| Assistance | Yes |
| LiveTrack | Yes |
| Live Event Sharing | Android™ Only |
| Activity Tracking Features | |
|---|---|
| Step counter | Yes |
| Auto goal (learns your activity level and assigns a daily step goal) | Yes |
| Calories burned | Yes |
| Floors climbed | Yes |
| Distance traveled | Yes |
| Intensity minutes | Yes |
| TrueUp™ | Yes |
| Move IQ™ | Yes |
| Garmin Connect™ Challenges app | yes (optional Connect IQ app) |
| Gym & Fitness Equipment | |
|---|---|
| Strength workouts | Yes |
| HIIT workouts | Yes |
| Yoga workouts | Yes |
| Pilates workouts | Yes |
| On-screen workout animations | Yes |
| On-screen workout muscle maps | Yes |
| Automatic rep counting | Yes |
| Training, Planning and Analysis Features | |
|---|---|
| Customizable data pages | Yes |
| Downloadable training plans | Yes |
| Course guidance | Yes |
| HR zones | Yes |
| HR alerts | Yes |
| HR calories | Yes |
| % HR max | Yes |
| % HRR | Yes |
| Recovery time | Yes |
| Auto max HR | Yes |
| Race glance/widget | Yes |
| HRV status | Yes |
| HR broadcast (broadcasts HR data over ANT+® to paired devices) | Yes |
| Respiration rate (during exercise) | yes (with compatible accessory) |
| GPS speed and distance | Yes |
| Customizable activity profiles | Yes |
| Auto Pause® | Yes |
| Interval training | Yes |
| Improved interval (includes open repeats, intervals data page, rest screen and auto detection) | Yes |
| Advanced workouts | Yes |
| HRM running pace and distance | Yes |
| Auto Lap® | Yes |
| Manual lap | Yes |
| Rest timer | Yes |
| Configurable lap alerts | Yes |
| VO2 Max (Run) | Yes |
| VO2 Max (Trail Run) | Yes |
| Load ratio | Yes |
| Training load | Yes |
| Training load focus | Yes |
| Training effect | Yes |
| Training effect (anaerobic) | Yes |
| Primary benefit (Training Effect labels) | Yes |
| Custom alerts | Yes |
| Audio prompts | Yes |
| Multisport auto transition | Yes |
| Finish time | Yes |
| Virtual Partner | Yes |
| Race an Activity | Yes |
| Auto multisport activities | Yes |
| Manual multisport activities | Yes |
| Touch and/or button lock | Yes |
| Auto scroll | Yes |
| Activity history on watch | Yes |
| Physio TrueUp | Yes |
| Unified training status | Yes |
| Running Features | |
|---|---|
| GPS-based distance, time and pace | Yes |
| Running dynamics | Yes |
| Vertical oscillation and ratio | Yes |
| Ground contact time and balance | Yes |
| Stride length (real time) | Yes |
| Cadence (provides real-time number of steps per minute) | Yes |
| Running power | Yes |
| Grade-adjusted pace | Yes |
| Performance condition | Yes |
| Lactate threshold | yes (with compatible accessory) |
| PacePro™ Pacing Strategies | Yes |
| Run workouts | Yes |
| Trail run auto climb | Yes |
| Race predictor | Yes |
| Course- and weather-specific race predictor | Yes |
| Foot pod capable | Yes |
| Run/Walk/Stand detection | Yes |
| Outdoor Recreation | |
|---|---|
| Point-to-point navigation | Yes |
| Bread crumb trail in real time | Yes |
| Back to start | Yes |
| TracBack® | Yes |
| UltraTrac mode | Yes |
| Up Ahead | Yes |
| Elevation profile | Yes |
| Distance to destination | Yes |
| Barometric trend indicator with Storm Alert | Yes |
| Vertical speed | Yes |
| Total ascent/descent | Yes |
| Auto rest | Yes |
| Future elevation plot | Yes |
| Projected waypoint | Yes |
| Sun and moon information | Yes |
| Cycling Features | |
|---|---|
| Courses | Yes |
| Bike lap and lap maximum power (with power sensor) | Yes |
| Race an activity | Yes |
| Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories) | Yes |
| Compatible with Vector™ and Rally™ (power meters) | Yes |
| Compatible with Varia Vision™ (head-mounted display) | Yes |
| Compatible with Varia™ radar (rear-facing radar) | Yes |
| Compatible with Varia™ lights | Yes |
| Speed and cadence sensor support (w/sensor) | Yes |
| Power meter compatible | Yes |
| Swimming Features | |
|---|---|
| Open-water swim metrics (distance, pace, stroke count/rate, stroke distance, swim efficiency (SWOLF), calories) | Yes |
| Pool swim metrics (lengths, distance, pace, stroke count, swim efficiency (SWOLF), calories) | Yes |
| Stroke type detection (freestyle, backstroke, breaststroke, butterfly) (pool swim only) | Yes |
| Drill logging (pool swim only) | Yes |
| Basic rest timer (up from 0) (pool swim only) | Yes |
| "Repeat on" rest timer (pool swim only) | Yes |
| Auto rest (pool swim only) | Yes |
| Time and distance alerts | Yes |
| Time and distance alerts | Yes |
| Pacing alerts (pool swim only) | Yes |
| Countdown start (pool swim only) | Yes |
| Pool swim workouts | Yes |
| Critical swim speed | Yes |
| Underwater wrist-based heart rate | Yes |
| Heart rate from external HRM (real-time during rests, interval and session stats during rests, and automatic heart rate download post-swim) | yes (with HRM-Swim, HRM-Pro or HRM-Pro Plus) |
| Kid Activity Tracking Features | |
|---|---|
| Toe-to-Toe™ Challenges app | yes (optional Connect IQ Toe-to-Toe™ Challenges app) |
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