Xiaomi
Xiaomi Smart Band 9 Pro
Overview
The Xiaomi Smart Band 9 Pro is a premium fitness tracker featuring a 1.74-inch AMOLED narrow-edge display with 1200 nits brightness and 60Hz refresh rate, a sandblasted aluminum alloy frame, and built-in independent GNSS for phone-free outdoor activity tracking. It offers 150+ sports modes, 5ATM water resistance with swimming recognition, enhanced dual-LED optical heart rate and SpO2 monitoring with an upgraded AFE chip, and up to 21 days of battery life with fast magnetic charging. Powered by Bluetooth 5.4 and the Mi Fitness companion app, the Band 9 Pro bridges the gap between standard fitness bands and full smartwatches with its premium design and comprehensive tracking capabilities.
Key Highlights
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1.74-inch AMOLED narrow-edge quadrilateral display with 2.2mm bezels, 2.5D reinforced glass, 60Hz refresh rate, and 1200 nits peak HBM brightness
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Premium aluminum alloy frame with advanced sandblasting finish; available in multiple colors with quick-release leather/TPU strap options
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Built-in independent GNSS with 5-satellite positioning (GPS, GLONASS, BeiDou, Galileo, QZSS) for phone-free outdoor workout tracking
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Up to 21-day battery life with new linear motor for enhanced haptic feedback; magnetic charging reaches full charge in approximately 75 minutes
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5ATM water resistance with swimming recognition, 150+ sports modes, enhanced dual-LED dual-PD optical heart rate and SpO2 sensors, upgraded AFE chip for 15% better heart rate accuracy
Technical Specifications
| Brand | Xiaomi |
| Model | Xiaomi Smart Band 9 Pro |
| Display | 1.74" AMOLED Touch Display, 60Hz refresh rate, 1200 nits HBM brightness, auto brightness adjustment, 2.5D reinforced glass |
| Battery | 350mAh Li-Po, up to 21 days typical usage (10 days AOD, 8 days heavy-load), magnetic charging (0-100% in ~75 min) |
| Weight | 24.5g (without strap) |
| Connectivity | Bluetooth 5.4 LE, GNSS (GPS + GLONASS + BeiDou + Galileo + QZSS) |
| Operating System | Proprietary RTOS (Xiaomi MI Band OS via Mi Fitness app) |
| Dimensions | 43.27 x 32.49 x 10.8 mm (without heart rate sensor) |