| Specifications | Technical specifications: Screen:: 1.47-inch color TFT touch screen, screen refresh rate 60Hz, glass coating and fingerprint-resistant coating, over 100 backgrounds to choose from via the app. Brightness:: Over 450nits. Resolution:: 172x320 pixels, pixel density 247ppi. Water resistance*:: 5 atmospheres (5ATM). Support for over 50 sports modes (10 professional sports modes):: Outdoor running, walking, freestyle, hiking, cycling, fitness track, jumping rope, hiking in nature, and additional sports modes selectable in the app. Battery life up to 18 days:: 300mAh lithium-polymer battery sufficient for up to 18 days of continuous use under normal conditions | 9 days under intensive use. Up to two hours using a magnetic charging cable. Measurements and exercises:: Heart rate (24/7), blood oxygen saturation level SpO2, daily step counter, standing, calorie measurement, battery indicator, women's health monitoring and menstrual cycle prediction (for women), stress monitoring, sleep monitoring. Daily step and heart rate counting:: More accurate algorithm for counting steps and daily changes in your heart rate. Advanced and improved heart rate sensor capable of monitoring any heart rate change throughout the day in real-time. Unlocking without a password:: Xiaomi Smart Band 9 Active paired with a nearby smartphone automatically unlocks it (for supported Android systems). Control via Mi Fitness app:: Full control and settings via the Mi Fitness app. Sensors:: Advanced and improved optical PPG heart rate sensor and accelerometer. Haptic feedback:: Via vibration motor. Notifications:: Display of notifications from smartphone applications. Additional features:: Alarm clock, stopwatch, timer, weather forecast, reminders, "Do Not Disturb" mode, smartphone locator, unlocking Android smartphone when close to the band, music player control on smartphone, camera activation on smartphone, flashlight. Sleep monitoring:: Tracking sleep cycles - deep sleep, light sleep, REM sleep, and improving sleep quality. Battery:: 300mAh lithium-polymer battery sufficient for up to 18 days of continuous use under normal conditions | 9 days under intensive use. Charging time:: Up to two hours using a magnetic charging cable. Wireless connectivity: Bluetooth 5.3 BLE. Compatibility:: Android 8.0 and iOS 12.0 and above. Band:: Made of thermoplastic polyurethane combined with aluminum frame, adjustable length 135-215 mm. Operating temperature range:: 0°C ÷ 45°C Languages: English, Simplified Chinese, Traditional Chinese, Japanese, Korean, Russian, German, Italian, Portuguese, Spanish, French, Polish, Dutch, Vietnamese, Ukrainian, Arabic, Czech, Danish, Greek, Finnish, Croatian, Hungarian, Indonesian, Hebrew, Norwegian, Romanian, Slovak, Serbian, Swedish, Thai, Portuguese (Brazil) - the list will be updated in the OTA update. Kit contents: Xiaomi Smart Band 9 Active, TPU band, magnetic charging cable, user manual, and warranty document. |