Dimensions
47.5mm x 41.1mm x 10.5mm
*Height, width and thickness dimensions exclude the strap and protrusions
31.5g (without inbox strap)

Frame
Aluminum alloy frame

Strap
Obsidian Black: TPU strap
size: 135mm ~ 205mm
Silver Gray: TPU strap
size: 135mm ~ 205mm

Sensors
Heart rate sensor (with blood oxygen sensor) | Accelerometer | Gyroscope | Ambient light sensor | electronic compass

Satellite positioning systems
GPS | Galileo | Glonass | BeiDou | QZSS

Battery
Typical use time: 20 days
Capacity: 470mAh

Display
Ultra-large 1.97" Square AMOLED display
60Hz refresh rate
LTPS 5Hz
Brightness: Up to 600 nits

Specifications
Built-in GNSS: supported
Speaker: supported
Bluetooth call: supported
5ATM water resistance

Package contents
Redmi Watch 4 / Magnetic charging cable / User Manual (including warranty notice)