Polar Grit X2 Outdoor Smartwatch with Dual GPS

Polar Grit X2 is a rugged outdoor smartwatch with a stainless steel bezel and a 1.28-inch AMOLED display with sapphire crystal, built to MIL-STD-810H and WR50 water resistance, and it features dual GPS and color maps with turn-by-turn navigation. It includes Polar Elixir biosensors (ECG, SpO2, skin temperature) and the Gen 4 optical heart rate sensor, to support 24/7 health, sleep, training and recovery tracking. The 310 mAh battery delivers up to 30 hours in high performance mode, 90 hours in efficient training mode, and about seven days as a smartwatch