Xiaomi Smart Band 9 Fitness Tracker, AMOLED Display with 1200 Nits, Sp02 Tracking, Sleep and Heart Rate Monitor, Notifications, 5ATM Waterproof, Mi Fit App, Midnight Black

Operating system: Xiaomi HyperOS
Memory storage capacity: 16 MB
Special feature: Touchscreen, Lightweight, Multisport Tracker, Activity Tracker, Custom Activity Tracking
Battery capacity: 233 Milliamp Hours
Connectivity technology: Bluetooth
Wireless communication standard: Bluetooth
Battery cell composition: Lithium Ion
GPS: GPS Via Smartphone
Shape: Rectangular
Screen size: 1.62 Inches

Professional Workout Analysis
1.62'' AMOLED display for seamless interaction
Up to 21-day battery life
Upgraded all-round sleep monitoring
Improved heart rate and SpO₂ monitoring