Xiaomi Redmi Watch 4

• Brand: Xiaomi

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

• Almunium alloy frame and stainless steel crown

• SpO2 (Blood Oxygen Level) Measurement

• 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

• Color: Silver Gray, Obsidian Black