Same goes for my DVM, so it was convenient for me to take it. Had to call the company to help with calibration and to be honest the customer service lady was initially confused as to why I was calling. But we ended up calibrating it and recently I did it again and it seems to be working. The lancing device that comes with it is fine, just make sure you press on the area you want to draw blood from, it just doesn't seem to prick like some do. But that's enough for earplugs.
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