CE & FDA APPROVED-CAN GET CHEAPER BUT NOT AS RELIABLE AND/OR APPROVED. WELL BUILT, NOT FLIMSY OR 'CHEAP FEEL'.
GET ONE! ESPECIALLY WITH COVID19 BUT ALSO WITH ANY RESPIRATORY PROBLEMS IT IS GOOD TO KNOW YOUR OXIGEN LEVELS, WHETHER YOU ARE CONSULTING HEALTH PROFESSIONALS OR JUST FOR 'PEACE OF MIND'.
HIGHLY RECOMMENDED!