Polar Grit X2 Pro

The Polar Grit X2 Pro features a 1.39″ OLED/AMOLED touchscreen with a resolution of 454 x 454 px and a pixel density of 462 ppi, protected by sapphire glass rather than branded damage-resistant glass. The always-on display is housed in a 48.6 x 48.6 mm case that measures 13.4 mm thick and weighs 79 g, with a 22 mm replaceable band. It carries a waterproof rating to 100 m and is built to operate in temperatures ranging from -20 °C to 50 °C, making it suitable for use in harsh environmental conditions.

The Polar Grit X2 Pro is equipped with a broad set of onboard sensors, including GPS, a heart rate monitor, a pulse oximeter for blood oxygenation tracking, a barometer, an accelerometer, a gyroscope, a compass, and a body temperature sensor. It does not include a cadence sensor or a perspiration monitor.

The Polar Grit X2 Pro covers a wide range of activity tracking capabilities, including route tracking, distance, pace, elevation, and step counting, along with multi-sport mode and automatic activity detection. It features trackback mode, exercise tagging, and a swim stroke counter, while also handling lifestyle metrics such as sleep tracking with detailed sleep reports and calorie intake monitoring. It is not designed for diving or golf.

The Polar Grit X2 Pro connects to both iOS and Android devices via Bluetooth 5.1 and does not include a cellular module, Wi-Fi, NFC, or ANT+ support.

The Polar Grit X2 Pro is powered by a built-in 488 mAh rechargeable battery that is not removable and does not support solar charging. It offers up to 12 days of battery life in standard use and up to 61 hours in training mode, and supports wireless charging for cable-free top-ups.

The Polar Grit X2 Pro includes a comprehensive set of health and performance features, among them HRV tracking, VO2 max measurement, resting heart rate monitoring, fast/slow heart rate notifications, and a readiness and recovery indicator. It supports map uploads, fast GPS lock with Galileo satellite support, wrist notifications, vibrating alerts, a silent alarm, and a stopwatch, while 32 GB of internal storage and 0.037 GB of RAM support onboard data handling with a CPU running at 1 x 275 GHz. It does not offer irregular heart rate warnings, fall detection, a smart alarm, call control, the ability to answer calls, a phone finder, voice commands, or a camera remote shutter. The watch comes with a one-year warranty.

The companion app for the Polar Grit X2 Pro is free and ad-free, offering a broad range of tools including activity reports, an exercise diary, goal setting, achievements, coaching, and support for 130 exercises. It tracks calories burned, weight, water intake, and temperature, and provides inactivity alerts, voice feedback, music playback, route support, calendar sync, and widgets. It does not include period notifications, fertile window notifications, ovulation prediction, start date prediction, or a barcode scanner.

The Polar Grit X2 Pro includes ECG technology, a battery level indicator, auto pause, and compatibility with external heart rate monitors. Its software is accessible on PC, though it is not compatible with Windows or Mac OS X as an installed platform. The watch is not designed for kids and lacks an external memory slot and a 3.5 mm audio jack.