📄 Product Description – Xiaomi Smart Band 9 is a fitness band with a 1.62″ AMOLED display, 60Hz refresh rate, and up to 1,200 nits peak brightness with automatic brightness adjustment via an ambient light sensor. It delivers improved health tracking (heart rate, SpO₂, sleep, stress), supports 150+ sports modes, and features 5ATM water resistance for swimming. A 233mAh battery provides up to 21 days typical use with magnetic charging in about 1 hour. Model: M2345B1.

⭐ Key Features:
– 🔹 Model Number – M2345B1
– 🔹 Display – 1.62″ AMOLED, 192 × 490 resolution, up to 1,200 nits adjustable brightness, 60Hz refresh rate, auto brightness + reduced accidental touches when wet
– 🔹 Battery & Charging – 233mAh, magnetic charging, approx. 1-hour charge time, battery life: up to 21 days (Typical) / up to 9 days (AOD) / up to 6.6 days (Heavy-load)
– 🔹 Health – improved heart rate & SpO₂ tracking, all-day heart rate alerts (high/low), all-day SpO₂ with low SpO₂ vibration alerts, all-day stress tracking + breathing training, upgraded sleep monitoring
– 🔹 Sports & Water – 150+ sports modes, 5ATM (50m) water resistance suitable for pool swimming (not for hot showers/saunas/hot springs/high-speed water sports)
– 🔹 Design & Compatibility – metal (aluminium alloy) frame, linear motor haptics, size 46.53 × 21.63 × 10.95 mm, weight 15.8g (without strap), strap length 135–210 mm, Mi Fitness app, Android 8.0+ / iOS 12.0+

🎯 Closing Paragraph:
If you want a well-rounded band with a bright AMOLED screen, long battery life, solid health tracking, and swim-ready water resistance, Xiaomi Smart Band 9 is a strong everyday option with improved haptics via its linear motor.

⚠️ Important Note:
This product and its tracking features are not medical-grade; readings are for reference only and may vary by fit, movement, and settings.