Full tutorial video link above the title wire size to make ring diameter 1,5cm (can + a few centimeters to depreciate) 19 ...
The Oura Ring 4 is here, bringing a new design and sleep apnea detection. But should you upgrade from the Oura Ring 3? Which should you buy?
Soft copper wire 20 gauge ( wire diameter 0.8mm ) : Model 1: 7cm + 2cm ( about 3,5 inch) Model 2: 15cm ( 6 inch) Model 3: 20cm ( 8 inch) ...