This Casio G-Shock Sport G-Squad Pro Men’s Smart Watch is packed full of functions designed to keep you fit and keep you connected all day long. At A Glance Presented on a black soft urethane strap, that is both flexible and durable 1.32 inch colour dual layer display and a patented Hollow Core Guard Structure protects against impact and vibration A built-in air pressure sensor measures ambient air pressure and presents this on a display to indicate weather patterns Bluetooth connectivity Built in sensors: Magnetic (direction), Pressure (atmospheric/ altitude), Accelerometer and Gyrometer Capacitive displays can be controlled with very light touches of a finger Recharging time approximately 2 hours at room temperature