It is mainly designed for running, workouts, outdoor activities, and fitness tracking. It includes: ❤️ Optical heart-rate monitoring 🏃 GPS tracking for distance, speed and pace 👣 Step counting 🧭 Digital compass ⛰️ Altimeter for elevation 🌡️ Thermometer 🌬️ Barometer 📱 Bluetooth smartphone connection through the G-SHOCK app 📊 VO₂max and training analysis 💧 20-bar water resistance 🛡️ Shock-resistant G-SHOCK construction 🔋 USB charging plus solar-assisted charging