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Performance training mode: Up to 43 hours continuous training with dual-frequency GPS (better accuracy) and optical
heart rate, GPS recording rate set to Every 1 second (high).
Eco training mode: Up to 140 hours of continuous training with single-frequency GPS (power save), GPS recording rate
set to Every 2 mins (ultra mode).
Smartwatch mode: Up to 10 days when used in watch mode with Continuous heart rate tracking and phone notifications
turned on.
Keeping the Always on Display on in your watch will drain the battery quicker.
For more information, see the support document What is the battery life of my Grit X2 Pro?
Operating temperature:
-20 °C to +50 °C / -4 °F to 122 °F
Watch materials:
Polar Grit X2 Pro:
Device: Sapphire glass lens, Stainless steel, PA11+30GF, PA, TPC, Aluminum, Sapphire OHR Lens
Silicone wristband: Silicone, Stainless steel buckle, Stainless steel spring bars
Polar Grit X2 Pro Titan:
Device: Sapphire glass lens, Titanium, PA11+30GF, PA, TPC, Aluminum, Sapphire OHR Lens
Leather wristband: Vegetable tanned leather, Cork inner lining, Polyester, Lycra (Spandex, latex free), Stainless steel
buckle, Stainless steel spring bars
Silicone wristband: Silicone, Stainless steel buckle, Stainless steel spring bars
Accessory wristband materials:
See Polar Accessories.
USB cable materials:
PA, N52 NdFeB (zinc plated), Brass 6801 (gold plated), TPE, Velcro, PBT, Brass
GPS accuracy:
Distance ±2%
Average route accuracy: 5m (dual-frequency GPS)
These are values that are achieved in open area satellite conditions when there are no apartment buildings or trees
blocking the satellite view. In urban or forest areas these values are achievable but may sometimes vary.
GPS recording rate
1 second (can be changed to 1 minute or 2 minutes in power save settings)
Altitude resolution:
1 m
Ascent/Descent resolution:
5 m
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