People under the age of 6 only support weight measurement; 6-17 year olds, does not support heart rate, presumed waist-hip ratio, body shape, body age measurement, need to create a child sub-user through the parent account, body composition measurement; 80 years old and above only support weight, heart rate measurement.
Pregnant women, infants, and people with implanted medical devices (e.g., pacemakers, cochlear implants, etc.) are not recommended to use this device due to their special physical condition.