Xiaomi Mi Band 9 Pro 1.74'' Bluetooth Bracciale Sportivo Cardiofrequenzimetro GPS NFC
Support APP: Xiaomi Sports Health. Data connectivity: GNSS support, NFC support, Bluetooth™ 5.4. Wristband 1. Acceleration Sensor. Main body net weight: about 24.5g (without wrist strap). Optical Heart Rate and Oxygen Sensor.