Xiaomi Smart Band 9

Display: 1.62? AMOLED (192 × 490 pixels), up to 1200 nits brightness

Dimensions: 46.53 × 21.63 × 10.95 mm

Weight: 15.8 g (without strap)

Battery Capacity: 233 mAh

Battery Life: Up to 21 days typical use

Charging Time: About 1 hour

Water Resistance: 5 ATM (50 m)

Bluetooth: Version 5.4

Sensors: Accelerometer, gyroscope, optical heart rate, ambient light sensor

Health Features: Heart rate monitoring, SpO? tracking, sleep tracking, stress monitoring

Sports Modes: 150+ fitness and workout modes

Compatibility: Android 8.0+ / iOS 12.0+

Material: TPU strap, durable plastic body

Notifications: Call, message, and app alerts

Colors: Midnight Black, Glacier Silver, Mystic Rose, Arctic Blue