Watch xiaomi mi band 4

Description

• AMOLED color touch screen with better brightness and 40% more visible screen. View your calls, messages and notifications
• Physical activity tracking (including swimming). Resistant to water up to 50 m.
• Improvement in the measurement of metrics. Includes 3-axis accelerometer and 3-axis gyro
• Up to 20 days of battery with a single charge
• Health monitoring. Tracking heart rate and sleep 24/7