Journal
The full story behind every Alexi ring — design, sensors and the details that matter.
Featured · Company news
Alexi is a Swiss technology company in Lugano, Switzerland, and the maker of Xloop, a ceramic smart health ring.
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Engineering insights · 25 October 2026
Xloop lasts 5 to 10 days on one charge and recharges magnetically in about an hour.
Technology · 24 October 2026
What the sensors inside Xloop measure — sleep, heart rate, HRV, blood oxygen, stress, mood and cycle — and how they turn into clear insights in the Alexi app.
Product announcements · 24 October 2026
The premium Alexi ring: a display in the band, gesture control, Wi-Fi, wireless dock charging and 5 ATM water resistance, on top of everything Loop tracks.
A titanium health ring that measures your heart, recovery, sleep and body clock around the clock — quietly, beautifully, and without a subscription.
Design stories · 24 October 2026
Xloop comes in US sizes 6 to 13. Here is how to find the right fit for a smart ring.
