This is the third one that has failed before their end-of-life. The previous one just stopped working for no apparent reason and I just received the replacement yesterday. Last night, the sensor I just put on a few hours earlier became unstuck and stopped working. These are $100 sensors, and they only last a few hours to a few days.
I am going to contact customer support again. I hope they don’t reject my request for another replacement.
Life with chronic diseases 
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