All New Xiaomi Smart Band 9

Waterproof grade 5ATM, BluetoothTM 5.4,

Battery capacity 233mAh, Battery life up to 21 days.

1.62-inch AMOLED screen, 2.5D tempered glass cover.

Screen resolution 192*490, supports full-screen touch operation.

The screen brightness is up to 1200nits and supports automatic brightness adjustment.

Acceleration sensor, Gyro sensor, Optical heart rate and blood oxygen sensor, ambient light sensor.