A few words
How it works
Please sit quietly for 2 minutes before measuring, during the measurement please maintain the correct sitting posture.
Step 1
Please wear the watch properly on the left wrist, during the measurement sit straight in a chair with a natural quiet posture, relax and not talk nor shake, ensure the wrist is flat on the table.
Step 2
The strap should not be too loose during the measuring, make sure watch backing optical sensor makes contact with the skin well.
Step 3
The wrist wearing the watch should be placed as flat as possible on the table and chest flush to it.
Step 1
Please wear the watch properly on the left wrist, during the measurement sit straight in a chair with a natural quiet posture, relax and not talk nor shake, ensure the wrist is flat on the table.
Step 2
The strap should not be too loose during the measuring, make sure watch backing optical sensor makes contact with the skin well.
Step 3
The wrist wearing the watch should be placed as flat as possible on the table and chest flush to it.
Why Cobra?
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