description Polar Grit X2 Overview
help Polar Grit X2 FAQ
Does the Polar Grit X2 have dual-frequency GPS and offline maps?
Yes. The Grit X2 combines dual-frequency GPS with full-color offline maps and turn-by-turn navigation, using systems including GPS, GLONASS, Galileo, BeiDou, and QZSS. [Polar Grit X2](https://www.polar.com/us-en/grit-x2?sku=900115135)
How long does the Polar Grit X2 battery last?
Polar rates it for up to 7 days of everyday use, about 30 hours in Performance Training mode, or up to 90 hours in Eco Training mode. Actual battery life depends on GPS accuracy settings, display use, sensors, and temperature. [Polar Grit X2 specifications](https://www.polar.com/us-en/grit-x2?sku=900115135)
What screen and protection does the Polar Grit X2 use?
The watch has a 1.28-inch AMOLED touchscreen with a 416 by 416 pixel resolution and sapphire glass. Its case is rated WR50 for water resistance and has been tested against MIL-STD-810H environmental standards. [Polar Grit X2 specifications](https://www.polar.com/us-en/grit-x2?sku=900115135)
What health and training measurements does the Polar Grit X2 support?
Polar's Elixir system provides optical heart-rate tracking, blood oxygen measurement, skin-temperature data, and wrist ECG features. Training tools include Training Load Pro, running power from the wrist, swimming metrics, and Recovery Pro. [Polar Grit X2 manual](https://support.polar.com/e_manuals/grit-x2/polar-grit-x2-user-manual-english/manual.pdf)
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