Xiaomi Smart Band 9

Xiaomi Smart Band 9 offers a sophisticated blend of features. This ninth-generation model has a vibrant 1.62-inch AMOLED display with a 120 Hz refresh rate. It delivers smooth and bright visuals at up to 1200nits for effortless readability. Xiaomi Smart Band 9 is powered by an upgraded chipset and Bluetooth 5.4 connectivity. It ensures seamless performance across more than 150 sports modes. Xiaomi Smart Band 9 has advanced health monitoring, including heart rate, blood oxygen, sleep, and stress tracking, and a remarkable battery life of up to 21 days. Smart Band 9 caters to fitness enthusiasts and casual users.

Design and Build

Xiaomi Smart Band 9 has a refined aesthetic design with a sleek, pill-shaped form factor. It has a lightweight aluminum alloy frame. The 1.62-inch AMOLED display is protected by 2.5D curved glass with a resolution of 192 x 490 pixels and a peak brightness of 1200 nits. This ensures clarity in sunlight with automatic brightness adjustments through an ambient light sensor. Smart Band 9 is rated 5 ATM water-resistant. It withstands submersion up to 50 meters. This makes it ideal for swimming or showers. Its detachable TPU strap is adjustable from 135-215 mm.

Performance

Smart Band 9 delivers a robust performance. It has Bluetooth 5.4, which ensures stable, low-latency connections within a 10-meter range. Navigation on Smart Band 9 is smooth, with a 120 Hz refresh rate. This enhances swipe responsiveness across the Mi Fitness app-paired interface. It supports over 150 workout modes, from running to chess, with automatic detection for six activities (e.g., walking, cycling). The app offers customizable widgets like weather, music controls, and notifications.

Smart Band 9 excels in health and fitness monitoring. It uses a high-precision 6-axis sensor, accelerometer, gyroscope, and an optical PPG sensor for heart rate tracking. Smart Band 9 offers 24/7 monitoring of heart rate, blood oxygen (SpO2), stress, and sleep (with breathing quality analysis), plus women’s health tracking. All of these are configurable through the Mi Fitness app. Many features on the Smart Band 9 are defaulted to off to preserve battery.

Smart Band 9 is powered by a 233 mAh battery that lasts up to 21 days of moderate use. Heavy use drops it to 7-10 days. You can charge Smart Band 9 to full capacity in about 60 minutes using a proprietary two-pin magnetic cable.

Xiaomi Smart Band 9 Specifications

Model and Color Options

• Model: Xiaomi Smart Band 9
• Colors:
  • Midnight Black
  • Glacier Silver
  • Mystic Rose
  • Arctic Blue
  • Titan Gray

Dimensions and Weight

• Dimensions: 46.53 x 21.63 x 10.95 mm (excluding strap and protrusions)
• Weight: 15.8g (without strap)

Band Strap

• Size: 135–210 mm
• Material: TPU

Display

• Type: 1.62-inch AMOLED Touch Display
• Resolution: 192 x 490 pixels
• Brightness: Up to 1200 nits, adjustable

Battery

• Charging Type: Magnetic charging
• Charging Time: Approximately 1 hour
• Typical Usage Time: Up to 21 days
• Nominal Capacity: 233mAh

Sensors

• Accelerometer sensor
• Gyroscope sensor
• Optical heart rate sensor
• Ambient light sensor

Water Resistance

• 5ATM water-resistant

App Compatibility

• Mi Fitness

Motor

• Linear motor

Compatibility

• Supports smartphones with Android 8.0 or iOS 12.0 and above