• Screen size: 1.47”
• Resolution: 172 x 320, 247 PPI
• Screen brightness: Max > 450 nits
• Water resistant level: 5 ATM
• Wrist strap material: TPU
• Wireless connectivity: BLE 5.3
• Battery: Li-Ion, 300mAh
• Supported App: Mi Fitness
• 60Hz high refresh rate, smooth usage
• 9.99mm slim body
• 18-days battery life
• Colorful straps
• 100+ watch faces
• 50 sports modes
• Water resistant up to 50m

General Features:

• Weight: 29.7g with strap
• Dimension: 45.90*26.94*9.99mm
• Display type: TFT
• Charging time: Less than 120 minutes
• Package contents: Xiaomi Smart Band 9 Active x1 | User guide x1 |Charging cable x1|Sensors: 3-axis accelerometer , PPG sensor
• System requirements: Android 8.0，iOS12 or above
• All-day health monitoring: Heart rate monitoring | SpO2 monitoring | Scientific sleep tracking.
• Xiaomi Smart Band 9 Active Strap, Yellow |Luminous.
• Suitable wrist circumference：135-215mm