Dimensions: 49.1 x 40.4 x 11.4 mm (1.93 x 1.59 x 0.45 in)
Weight: 42.2g
Colors: Midnight Black, Matte Silver
Build: Matte finish frame
Water Resistance: 5ATM (suitable for swimming pools and shallow water activities)
Type: 2.0-inch IPS LCD
Resolution: 320 x 385 pixels (~250 ppi density)
Brightness: 500 nits peak
Screen-to-body ratio: >70%
Protection: Not specified
Watch Faces: 200+ customizable options available via Mi Fitness app
Operating System: HyperOS
Battery: 470mAh non-removable
Battery Life:
Typical Usage: Up to 18 days
Heavy Usage: Up to 12 days
Storage: Unspecified
Sensors:
Accelerometer
Heart rate monitor
Blood oxygen (SpO2) sensor
Stress monitor
Bluetooth: Version 5.3 with A2DP, LE
Calling: Bluetooth calling support with dual-mic noise reduction
Audio Pickup: 80cm directional audio pickup
GPS: Not available
NFC: Not available
Wi-Fi: Not available
Workout Modes: 140+ supported activities
Auto-Detection: Available for running, walking, cycling, elliptical, rowing, and jumping rope
Health Monitoring:
24/7 heart rate monitoring
All-day blood oxygen monitoring
Stress monitoring
Sleep tracking with high-precision mode
Vitality score tracking
Flashlight function
Camera remote control
Phone calls management
Task management
Music control
Weather information
Find My Phone feature
Message notifications
Alarm support
Factory default settings
Static watch face
Heart rate detection every 10 minutes
100 messages, 2 calls, and 3 alarms daily
200 screen activations per day
15 minutes of Bluetooth calls weekly
90 minutes of exercise tracking weekly
Daily app sync
Factory default settings
High-precision sleep monitoring enabled
Heart rate detection every 11 minutes
200 messages, 4 calls, and 4 alarms daily
200 screen activations per day
30 minutes of Bluetooth calls weekly
150 minutes of exercise tracking weekly
Twice daily app sync