Table of Contents
List of features
Connected bracelet screen and design
The 1.47 -inch TFT screen of the Xiaomi Smart Band 9 Active offers a resolution of 172 x 320 pixels with a refresh rate of 60 Hz. Its brightness of 450 nits ensures correct visibility, even in full sun. This type of screen, less expensive than the amoledremains suitable for daily use of unpretentious visual.
In comparison, the higher models like the Smart Band 9 Pro wear a larger AMOLED screen but at a higher price.
The bracelet displays a featherweight of 16.5 grams without the bracelet, which makes it almost imperceptible on the wrist. Made of soft TPU, the original bracelet offers immediate comfort.
Available in black, beige or pink, it changes easily to adapt to all styles. Over 100 virtual dials are accessible via the Mi Fitness application, allowing advanced personalization.
Activity monitoring and fitness functions
The Smart Band 9 Active supports more than 50 sporting modes, ranging from the race for swimming. Optical sensors monitor the heart rate, SPO₂ and the calories spent. Nevertheless, limited precision Compared to high -end watches.
For occasional athletes, this data is enough to improve their routine, but demanding athletes will find more efficient models.
The absence of integrated GPS obliges to take your smartphone to trace the routes. The bracelet uses phone GPS via Bluetooth, which reduces autonomy If this function is activated continuously.
For activities such as walking, cycling or swimming, this limitation is not a major obstacle, but it can frustrate the runners wishing to follow their routes in roaming.
Surveillance of health and well-being
The bracelet continuously monitors the heart rate, the quality of sleep and the oxygen level in the blood (SPO₂).
The MI Fitness application analyzes this data to identify sleep cycles (deep, light, REM) and offer breathing exercises in the event of high stress. If these metrics are useful for daily follow -up, they do not replace a medical device.
- Monitoring of heart rate continuously via the heart sensor
- Oxygen rate control in the blood (sppo₂) with dedicated sensor
- Sleep monitoring with cycles analysis (deep, light, rem)
- Stress measurement and breathing suggestions for emotional management
- Automatic activity detection and follow -up of calories spent
The sensors of the Smart Band 9 active, although efficient for basic use, lack precision in the event of intense efforts or cardiac irregularities. Data provided remain indicative, without medical value.
For in -depth monitoring, a dedicated device remains preferable.
Autonomy and battery recharge
The 300 mAh battery promises up to 18 days of autonomy in normal use. In practice, this figure varies depending on the intensity of use: 9 days in intensive use with active screen and frequent notifications. This result places the bracelet at the top of its category for longevity.
A full load takes less than 120 minutes Thanks to the magnetic system, according to official specifications. Technical data on autonomy and battery performance. To optimize autonomy, deactivate the touching up and reduce the frequency of heart measurements. For premium GPS follow -up, discover the SUUNTO 9 PEAK PRO review.
Smartphone notifications and compatibility
THE notifications are displayed in real time Via Bluetooth 5.3, covering calls, SMS and third -party applications (Messenger, Whatsapp). The quick response is possible via predefined messages. The MI Fitness application centralizes all parameters and allows the sensitivity of alerts to be adjusted.
Compatible with Android 8.0+ and iOS 12+, the bracelet synchronizes the data without hook. Features such as remote camera triggering are reserved for Xiaomi/Redmi devices On Android, but all the tools are accessible on iOS. For Apple Watch followers, see our 9 VS Series 10 comparison.
Water resistance and swimming use
The 5atm (50 meter) certification authorizes swimming in the swimming pool or at sea not very agitated. The bracelet resists splashing, but hot, saunas and deep dive showers are to be avoided. The waterproofing degrades over timerequiring usage precautions.
After an aquatic session, rinse the bracelet with clear water to eliminate salt or chlorine. Dry it with a soft cloth and avoid aggressive chemicals. Its sealing is not eternal And remains limited to daily uses.
