Calibre E3

Capacity: 440 mAh
Autonomy: A full day including multiple hours of sport session
Charging time: 100% in 1h30
Charger: 4 pins with LED indicators

Heartrate monitor: Heart rate, Compass, Accelerometer, Gyroscope, NFC, Microphone
Operating system: Wear OS by Google
Compatibility: Android 6.0 and above (excluding Go edition) / iOS 12.0 and above
Pre-Installed apps: TAG Heuer Sports (Running, Cycling, Fitness, Swimming, other sports and TAG Heuer Golf), TAG Heuer Wellness
Connectivity: Wifi, Bluetooth 4.1, SAR: 0.014 W/kg
SAR: 0.0140 W/kg

Chipset: CPU Clock Speed: Up to 1.2 GHz CPU Cores: 4x ARM Cortex A7, Quad-core CPU CPU Architecture: 32-bit
Display resolution: 454×454 pixels (326ppi)