Honor Band 4 reportedly comes with Huawei’s TruSleep technology which uses advanced cardiopulmonary measurements techniques to track sleep cycles and related heart rate data accurately. Additionally, the band is also capable of detecting REM sleep and offers advice to help you get better sleep quality.
When it comes to measuring the heart rate, Honor makes big claims. As per the company, Honor Band 4 uses dynamic algorithms to measure heart rate accurately in different scenarios. Furthermore, it can also be used to track heart rate continuously throughout the day and even warn users when their heart rate is alarmingly high.
Another great highlight of the Honor Band 4 is that it comes with water resistance at up to 5ATM (equivalent to 50 meters), which means you can go swimming with it. The band can also track strokes automatically while you’re swimming, that to the 6-axis sensor it uses.