Xiaomi Redmi Watch 4 Smart Watch BHR7854GL, Obsidian Black

1.97″ HD AMOLED Display (390×450px) 60Hz

High Screen to Body ratio

AOD (Always On Display), up to 600 nit brightness

Almunium ally frame and stainless steel crown

SpO2 (Blood Oxygen Level) Measurement and 24-Hours

Built-in Precise 4-Channel PPG Sensor for 24-Hour Heart Rate Measurement

150+ Sport Modes

Bluetooth Phone Calls – Paird with your phone.

You can receive call and talk from the watch within a range of about 10 meters.

Multi-System Stand-Alone GPS

5ATM Water Resistance – Can be used white swimming

Battery Life of up to 20 Days,  470mAh

Magnetic Charging