Features:•  Built-in GPS and GLONASS•  Faster dual-core processor•  W2 chip•  Barometric altimeter•  Capacity 8GB•  Heart rate sensor•  Accelerometer and gyroscope•  Water resistant 50 meters•  Ion-X strengthened glass•  Composite back•  Wi-Fi (802.11b/g/n 2.4GHz)•  Bluetooth 4.2•  Up to 18 hours of battery life•  watchOS 4  Chip Faster dual-core processor Apple wireless chip Features Built-in GPS and GLONASS Barometric altimeter Water resistant 50 meters...