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 strapsize: 135mm ~ 205mm
Silver Gray: TPU strapsize: 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 daysCapacity: 470mAh
Display
Ultra-large 1.97" Square AMOLED display60Hz refresh rateLTPS 5HzBrightness: Up to 600 nits
Specifications
Built-in GNSS: supportedSpeaker: supportedBluetooth call: supported5ATM water resistance
*Please refer to https://trust.mi.com/misrc/updates for minimum security update period.
Package contents
Redmi Watch 4 / Magnetic charging cable / User Manual (including warranty notice)