9
Sleep time recording function starts at 10pm.
Going to bed earlier wont be recorded. Sleeping
time during the day won’t be recorded also.
Heart rate
Measure your heart rate in real time.
Measuring takes around 30 to 40 seconds.
Blood pressure
Monitor your blood pressure in the app or
on your SW 660 ECG.
Measuring takes around 30 to 40 seconds.
ECG+PPG
Press and hold the touch area for 3 seconds
to enter the measurement state and follow
the prompts to touch the metal ring.
Whether it is off-line measurement or App side
measurement, please keep the correct posture:
calm and relaxed. When off-line measurement,
switch the interface to ECG measurement and
touch the fingers to the metal ring and a waveform
appears. After around 3 seconds, the device will
prompt the end after 30-60s. You can view the
history in the App and review measurement
results parameters such as HRV, also the measured
ECG waveform can be shared.
