Product Summary: Xiaomi Smart Band 9 Global Version (2024) 1.62" Amoled Display | 233 mAh Battery | up to 21 Days of Battery Life | Over 150 Workout Modes | BT 5.4 | 50M Water Resistant – Midnight Black (Renewed)

From Amazon Renewed
IMPROVED DISPLAY BRIGHTNESS: With an AMOLED peak display brightness of 1200 nits, view data with ease even under direct sunlight. Equipped with a light sensor module, it accurately detects ambient light to automatically adjust screen brightness for more comfortable viewing
ELEGANT DESIGN: For the first time, the Xiaomi Smart Band utilises aluminium alloy frames in different colours such as Midnight Black, Glacier Silver, Mystic Rose and Arctic Blue. Pair it with a range of stylish straps, allowing you to show off your individuality with every flick of your wrist
HIGH-PRECISION SENSORS: The monitoring module has been significantly improved for more precise monitoring of workouts and overall health. Specifically, the latest generation sensors for: heart rate monitoring, Continuous blood oxygen saturation monitoring, Continuous stress monitoring, Breathing training, Female health management
OVER 150 SPORTS MODES: Stay motivated with advanced algorithms covering metrics such as maximum oxygen consumption, recovery time, training results, load and more. Accurate tracking, no matter whether you’re cycling outdoors or sweating it out indoors
LONG-LASTING BATTERY AND WATER RESISTANCE: Thanks to professional low-power consumption sensors and smart power consumption algorithms, Xiaomi Smart Band 9 has an extraordinary battery life of 21 days with regular use. In addition, it is water resistant and you can wear it while swimming: it withstands pressure equal to a depth of 50 meters