LENS MATERIAL : Corning Gorilla Glass 3
BEZEL MATERIAL : fiber-reinforced polymer
QUICK RELEASE BANDS : 22 mm, Industry standard
STRAP MATERIAL : silicone
PHYSICAL SIZE : 45.6 x 45.6 x 12.9 (mm)
Fits wrists with a circumference of 130-205 mm
COLOR DISPLAY : Yes
DISPLAY SIZE : 1.3
DISPLAY RESOLUTION : 260 x 260 pixels
DISPLAY TYPE : sunlight-visible, transflective memory-in-pixel (MIP)
WEIGHT : 49 g
BATTERY LIFE : Smartwatch mode: Up to 14 days
GPS-only GNSS mode: Up to 30 hours
All-Systems GNSS mode: Up to 25 hours
All-Systems GNSS mode plus Multi-Band: Up to 16 hours
WATER RATING : 5 ATM
MEMORY OR HISTORY :4 GB
CLOCK FEATURES : Time or date
GPS Time Sync :
Automatic daylight saving time
Automatic daylight saving time
Alarm clock
Timer
Stopwatch
Sunrise/sunset times
HEALTH MONITORING : Wrist-based Heart Rate (constant, every second)
Daily Resting Heart Rate
Abnormal Heart Rate Alerts (high and low)
Respiration rate (24/7)
Pulse Ox Blood Oxygen Saturation (spot-check, and optional all-day acclimation and in sleep)
Fitness Age
Body Battery Energy Monitor
All-day Stress
Relaxation breathing timer
Sleep (advanced)
Sleep score and insights
Hydration (in Garmin Connect and optional Connect IQ widget)
Women's Health (in Garmin Connect and optional Connect IQ widget)
Health snapshot
SENSORS : GPS
GLONASS : Galileo
Multi-frequency Positioning
Garmin Elevate wrist heart rate monitor
Barometric altimeter
Compass
Gyroscope
Accelerometer
Thermometer
Pulse Ox Blood Oxygen Saturation Monitor
DAILY SMART FEATURES : Connectivity (Bluetooth, ANT+, Wi-Fi)
Connect IQ (downloadable watch faces, data fields, widgets and apps)
Connect IQ (downloadable watch faces, data fields, widgets and apps)
On-device Connect IQ Store
Smart Notifications
Text response/reject phone call with text (Android only)
Calendar
Weather
Realtime settings sync with Garmin Connect mobile
Battery saver (customizable low power watch)
Controls smartphone music
Find My Phone
Find My Watch
VIRB Remote
Smartphone compatibility (iPhone and Android)
Pairs with Garmin Connect Mobile
SAFETY AND TRACKING FEATURES : LiveTrack
Live Event Sharing (Android Only)
Incident Detection during select activities
Assistance
ACTIVITY TRACKING FEATURES :Step counter
Move bar (displays on device after a period of inactivity; walk for a couple of minutes to reset it)Auto goal (learns your activity level and assigns a daily step goal)
Calories burned
Floors climbed
Distance traveled
Intensity minutes
TrueUp
Move IQ
Garmin Connect Challenges app (optional Connect IQ app)
GYM & FITNESS EQUIPMENT :
Available gym activity profiles (Strength, HIIT, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Pilates, Yoga)
Strength workouts
HIIT workouts
Yoga workouts
Pilates workouts
On-screen workout animations
On-screen workout muscle maps
TRAINING, PLANNING AND ANALYSIS FEATURES :
HR zones
HR alerts
HR calories
% HR max
% HRR
Recovery time
Auto max HR
Race glance/widget
HRV status
HR Broadcast (broadcasts HR data over ANT+ to paired devices)
Respiration rate (during exercise)
GPS speed and distance
Customizable data pages
Customizable activity profiles
Auto Pause
Interval training
Improved interval (includes open repeats, intervals data page, rest screen and auto detection)
Advanced workouts
Downloadable training plans
Auto Lap
Manual lap
Rest timer
Configurable lap alerts
VO2 Max (Run)
VO2 Max (Trail Run)
Training Status (improved)
Training Load
Training load focus
Training Effect
Training Effect (anaerobic)
Primary benefit (Training Effect labels)
Improved recovery time
Daily suggested workouts (7 Days)
Custom alerts
Audio prompts
Finish time
Virtual Partner
Race an Activity
Auto multisport activities
Manual multisport activities
Course guidance
Touch and/or button lock
Auto scroll
Activity history on watch
Physio TrueUp
RUNNING FEATURES :
Available run profiles (Running, Outdoor Track Running, Treadmill Running, Indoor Track Running, Trail Running, Virtual Running, Ultra Running)
GPS-based distance, time and pace
Running dynamics (with compatible accessory)
Vertical oscillation and ratio (with compatible accessory)
Ground contact time and balance (with compatible accessory)
Stride length (real time) (with compatible accessory)
Cadence (provides real-time number of steps per minute)
Running power(with compatible accessory)
Performance condition
Lactate threshold(with compatible accessory)
PacePro Pacing Strategies
Run workouts
Race predictor
Course- and weather-specific race predictor
Foot pod capable
OUTDOOR RECREATION :
Available outdoor recreation profiles (Hiking, Skiing, Snowboarding, XC Classic Skiing, Stand Up Paddleboarding, Rowing)
Point-to-point navigation
Bread crumb trail in real time
Back to start
TracBack
UltraTrac mode
Up Ahead
Elevation profile
Distance to destination
Barometric trend indicator with Storm Alert
Trail run auto climb
Vertical speed
Total ascent/descent
Future elevation plot
Projected waypoint
Sun and moon information
CYCLING FEATURES :
Available cycling profiles (Biking, Indoor Biking, Mountain Biking, eBiking, eMountain Biking)
Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories)
Courses
Bike lap and lap maximum power (with power sensor)
Race an activity
FTP (Functional Threshold Power)(with compatible accessory)
Compatible with Vector and Rally (power meters)
Power meter compatible
Compatible with Varia Vision (head-mounted display)
Compatible with Varia radar (rear-facing radar)
Compatible with Varia lights
Speed and cadence sensor support (w/sensor)
SWIMMING FEATURES :
Available swim profiles (Pool Swimming, Open Water Swimming)
Open-water swim metrics (distance, pace, stroke count/rate, stroke distance, swim efficiency (SWOLF), calories)
Pool swim metrics (lengths, distance, pace, stroke count, swim efficiency (SWOLF), calories)
Stroke type detection (freestyle, backstroke, breaststroke, butterfly) (pool swim only)
Drill logging (pool swim only)
Basic rest timer (up from 0) (pool swim only)
"Repeat on" rest timer (pool swim only)
Auto rest (pool swim only)
Time and distance alerts
Pacing alerts (pool swim only)
Countdown start (pool swim only)
Pool swim workouts
Critical swim speed
Underwater wrist-based heart rate
Heart rate from external HRM (real-time during rests, interval and session stats during rests, and automatic heart rate download post-swim)(with HRM-Swim or HRM-Pro)
KID ACTIVITY TRACKING FEATURES :
Toe-to-Toe Challenges app (optional Connect IQ Toe-to-Toe Challenges app)
CONNECTIVITY : Smart trainer control
PRODUCT FEATURES : Get an uninterrupted picture of your daily health and nightly sleep with up to 12 days of battery life in smartwatch mode and up to 26 hours in GPS mode.
With its sleek design and 39g weight, you’ll almost forget you’re wearing Forerunner 255S — even when you’re asleep.
Featuring easy-to-use buttons and a silicone band, this watch is ready to wear — and tear — with durable Corning Gorilla Glass 3.
COUNTRY OF ORIGIN :
Taiwan
IN THE BOX : Forerunner 255
Charge/data cable
Documentation
