They’ve just received approval for a monitor that needs no calibration at all, although it’s not commercially available yet, and will probably take another half

They’ve just received approval for a monitor that needs no calibration at all, although it’s not commercially available yet, and will probably take another half a decade to reach the US. https://aktiia.com/uk/regulatory-approval-no-need-for-calibration https://aktiia.com/uk/regulatory-approval-no-need-for-calibr... Psst… the bracelet is available in the US if you use a UK freight forwarder, & download the app from the EU app store…