Xiaomi Smart Band 9

Screen size and type: 1.62-inch AMOLED screen

Screen resolution: 192x490, supports full-screen touch operation

Screen brightness: 1200nit, supports automatic brightness adjustment

Cover material: 2.5D tempered glass cover

Shell material: aluminum alloy middle frame + fiber high-strength polymer

Sensor: accelerometer, gyroscope sensor, optical heart rate and blood oxygen sensor, ambient light sensor

Waterproof level: 5ATM

Wireless connection: Bluetooth 5.4

Adjustable length of wristband: 135-210m