The Polar Grit X2 is a compact and durable outdoor watch featuring a bright AMOLED display with sapphire glass, dual-frequency GPS, and advanced training and recovery tracking, making it an ideal companion for both adventures and daily life. The Polar Grit X2 is a compact, durable, and exceptionally well-equipped outdoor watch designed to support you through both grand adventures and the routines of everyday life. Its comprehensive suite of advanced training, recovery, and biometric measurement features are meticulously crafted to integrate seamlessly into your lifestyle, empowering you to achieve your best wherever your journey takes you. Experience unparalleled clarity and resilience with the watch's vibrant AMOLED display, protected by scratch-resistant sapphire glass. This ensures your view remains sharp and clear, even when facing the most challenging weather conditions. Navigate with confidence thanks to dual-frequency GPS, precise color maps, and detailed route guidance, allowing you to track your location with pinpoint accuracy and explore new paths effortlessly. Equipped with cutting-edge POLAR Elixir biomittance technologies, the Grit X2 offers a new generation of biometric measurements. It includes advanced sensors for ECG (GEN 1), SpO2 (GEN 1), skin temperature (GEN 1), and OHR (GEN 4), providing deep insights into your body's performance and recovery. These features enable comprehensive tracking of your health and fitness metrics, helping you optimize your training and overall well-being. Enjoy extended usage with an impressive battery life of up to seven days on a single charge in smartwatch mode. For intense training sessions, it offers 30 hours of battery life, extending to 90 hours in eco training mode. Coupled with around-the-clock activity and recovery tracking, and an intuitive user interface, the Polar Grit X2 stands as the perfect, reliable companion for all your outdoor pursuits and daily activities. Built to withstand the elements, the Polar Grit X2 boasts a robust construction that meets MIL-STD-810H military standards for durability. Its stainless steel bezel and plastic casing ensure resilience, while a water resistance rating of 50 meters makes it suitable for swimming and various water sports. This watch is engineered to endure, providing peace of mind no matter how extreme your environment. Display Type: 1.28" AMOLED, 416 × 416 pixels Touchscreen: Yes Always on display: Yes Ambient light sensor: Yes Processor Speed: 275 MHz Memory: 37 MB Storage: 32 GB Materials: Plastic, sapphire glass Bezel Material: Stainless steel GPS: Yes (dual-frequency) Positioning Systems: GLONASS, Galileo, BeiDou, QZSS Assisted GPS/GLONASS/Galileo/QZSS: Yes Bluetooth: 5.1 USB Cable Type: USB-C Operating Temperature: -20 °C to +50 °C Water Resistance: 50 m Military Standards: MIL-STD-810H Biometric Sensors: Elixir, ECG (GEN 1), SpO2 (GEN 1), skin temperature (GEN 1), OHR (GEN 4) Barometer: Yes Magnetometer Compass: Yes Accelerometer: Yes Gyroscope: Yes Battery: 310 mAh Li-Pol, rechargeable Battery Life (Training Mode): 30 h Battery Life (Eco Training Mode): 90 h Battery Life (Smartwatch Mode): 7 days Wristband Material: Silicone Compatible Phones: Android, iOS Color: Brown