Forerunner 255 Music Noire

Dimensions: 45.6 x 45.6 x 12.9millimeters
Fits wrists with a circumference of 130 to 205 mm
Lens material: Corning® Gorilla® 3
Bezel material: Fibre reinforced polymer
Lens and colour : 260x260 pixels
Display type: Anti-reflective, transflective MIP
Case size: 46millimeters
Water resistance: 5 ATM
Wireless technology: BLUETOOTH and ANT+

Battery life:
Connected Watch mode: up to 12 days
GNSS mode, GPS only: up to 26 hours
GNSS mode, all Systems with music: up to 5.5 hours
GNSS mode, all Systems: up to 20 hours
GNSS + multi-band mode, all Systems: up to 13 hours

Features:
MORNING REPORT: The morning report displays the sleep analysis, VFC status and training suggestion in a single widget every morning when you wake up.

AUTONOMY Up to 14 days in connected mode and 30 hours in GPS mode.

STATUS HRV / VFC : HRV or VCF status tracks your heart rate variability while you sleep, giving you a better insight into your general well-being, recovery and training performance.

SPORTS APPLICATIONS : Integrated with over 30 specific activity profiles, as well as triathlon and multi-activities that let you change discipline at the touch of a button.

RACE WIDGET The Race widget provides daily training advice and exercise suggestions, as well as predicting the time of your next race, based on course details, fitness data, weather, etc.

DAILY TRAINING SUGGESTIONS : This unique function provides daily training advice and recommendations for running and cycling based on your HRV/VFC status, your current training status and load, and your recovery level.

RACING POWER : Track the power you apply on the path or on the road when you run in real time and directly from your wrist. Requires the use of a Pod Running Dynamics or HRM-Pro™ Cardio Belt.

GARMIN PAY™: Secure contactless payment.

Leave your money and cards at home and pay directly with your watch thanks to Garmin Pay™ .

MULTI GNSS & MULTI BANDS : Access several global satellite navigation systems (GPS, GLONASS, GALILEO) and achieve unrivalled GPS location accuracy in urban or steep terrain, thanks to new multi-band, Double Frequency positioning technology.

TRAINING STATUS: Assesses training status and indicates whether you are under-training, over-training or in a productive period. Also provides additional tips for progress.

CHARGE7 JOURS/ACUTE LOAD : Compare the intensitý of your most recent training sessions against your optimum performance range. This is determined by the history of your Activities and your performance level.

RUNNING DYNAMICS (stride analysis) : Analyses your stride and records essential information such as cadence, stride length, ground contact time and right/left leg balance, etc. Requires the use of a compatible HRM Belt or Running Dynamics Pod.

GARMIN COACH : Are you training for a 5km, 10km or half marathon? Download a tailor-made Garmin Coach training plan, adapted to your schedule and your physical Capacity - for free!

CONNECTED FUNCTIONS: Integrated with all the latest Garmin connected features, including smart notifications, automatic uploads to Garmin Connect™ and LiveTrack real-time tracking.

SECURITY DEVICES : If you feel unsafe or your watch detects that an incident has occurred, the assistance and incident detection features send a message with your location to your emergency contacts so they can more easily come to your aid.

BODY BATTERY™: Optimise your body's energy reserves, using heart rate variability, stress, sleep and other data to assess your fitness level or when you should rest.

MUSIC ON YOUR WRIST WITHOUT A PHONE : Download up to 500 songs to your Watch, including playlists from Amazon Music, Deezer or Spotify (a premium subscription may be required) and connect to your wireless headphones for phone-free listening (Music models only).