Samsung Galaxy Watch4 Classic BT 46mm

Colour: Black

Screen Size: 1.4"

Display Type: Super AMOLED

Display Resolution: 450 x 450

Pedometer: Yes

Heart Rate Monitor: Yes

Sleep Tracker: Yes

GPS: Yes

Sensors: Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor, Optical Heart Rate Sensor, Electrical Heart Sensor, Bioelectrical Impedance Analysis Sensor

Water Resistance: IP68

Compatibility: Android 6.0 Devices or Higher

Wi-Fi: Yes

Bluetooth: Yes

Cellular: Yes

Operating System: Google Wear OS

Memory: 16GB

Battery Life: Up to 40 Hours

Built-In Microphone: Yes

Weight (g):52

Additional Features:Wireless Charging, Speaker, Measures: BP, ECG, Blood Oxygen, BMI, BMR. Fall Detection, Stress & Wellbeing Tracking, Running Coach & Metrics