Xiaomi Smart Band 9 Pro

Display:

• Type: 1.74-inch AMOLED color square screen
• Resolution: 336 x 480 pixels
• Brightness: Up to 1,200 nits with auto-brightness adjustment
• Glass: 2.5D reinforced glass

Design and Build:

• Frame Material: Aluminum alloy frame with high-strength fiber polymer
• Dimensions: 43.27 x 32.49 x 10.8 mm
• Weight: Approximately 24.5 grams (without strap)
• Water Resistance: 5 ATM (up to 50 meters)

Sensors:

• Accelerometer
• Gyroscope
• Electronic compass
• Optical heart rate and pulse oximeter
• Ambient light sensor

Health Monitoring:

• Continuous heart rate monitoring
• Blood oxygen (SpO₂) monitoring
• Sleep tracking with high-precision monitoring
• Stress level monitoring
• Menstrual cycle tracking

Fitness Tracking:

• Supports over 150 sports modes
• Pro Running Mode providing advanced metrics like stride ratio, ground contact time, and vertical amplitude
• Built-in high-precision GNSS chip supporting BeiDou, GPS, GLONASS, Galileo, and QZSS satellite systems for accurate outdoor positioning

Connectivity:

• Bluetooth® 5.4
• NFC support for transportation systems and access control in over 100 major cities

Battery:

• Capacity: 350mAh
• Battery Life: Up to 21 days under typical usage conditions
• Charging: Magnetic charging with approximately 75 minutes to full charge

Compatibility:

• Compatible with devices running Android 8.0 or iOS 12.0 and above
• Operates with the Mi Fitness app

Additional Features:

• Linear motor for enhanced haptic feedback
• Over 100 customizable watch faces
• Smart notifications, reminders, and alerts
• Voice assistant support