📄 Product Description – Xiaomi Smart Band 9 Pro
Xiaomi Smart Band 9 Pro features a large 1.74″ AMOLED display with narrow bezels, up to 1,200 nits (HBM) brightness with auto-brightness, and a 60Hz refresh rate for smoother visuals. It offers daily health tracking (heart rate, SpO₂, sleep, stress), 150+ sports modes, and built-in GNSS for accurate route tracking without a phone. With a 350mAh battery, it can deliver up to 21 days of typical usage.

⭐ Key Features:
– 🔹 Model – M2402B1 | Size 43.27 × 32.49 × 10.8 mm (without HR sensor) | Weight approx. 24.5 g (without strap)
– 🔹 Display – 1.74″ AMOLED Touch, 336 × 480 | Max 1,200 nits (HBM) with Auto Brightness | 60Hz refresh rate | 2.5D reinforced glass
– 🔹 Build & Colors – Aluminum alloy frame + high-strength fiber polymer shell | Colors: Obsidian Black, Rose Gold, Moonlight Silver, Cream White
– 🔹 Fitness – 150+ sports modes | 15 professional modes with auto-recognition of 6 modes | 10 on-wrist running courses | Running posture recognition
– 🔹 Connectivity & Sensors – Built-in GNSS + compass | Bluetooth 5.4 | Satellite systems: GPS / GLONASS / BeiDou / Galileo / QZSS | Sensors: accelerometer, gyroscope, ambient light, optical HR & SpO₂
– 🔹 Battery & Durability – 350mAh battery: up to 21 days (Typical), 10 days (AOD), 8 days (Heavy-load) | Magnetic charging, approx. 75 min | 5ATM water resistance (up to 50 m)

🎯 Closing Paragraph:
Fits wrist sizes 135–205 mm, works with the Mi Fitness app, and supports Android 8.0+ and iOS 12.0+. Typically comes with a TPU strap, while other strap materials (e.g., leather) may be available as optional accessories depending on the market.

⚠️ Important Note:
This product and Mi Fitness are not medical devices. Data and prompts are for reference only and should not be used for diagnosis or treatment.

⚠️ Notice:
5ATM water resistance is suitable for swimming and shallow-water activities, but not for hot showers/saunas/diving, and water resistance may decrease over time.