RingConn Gen 3 smart ring, Matte Black, size 13.
Titanium, no subscription: heart rate, HRV, sleep, blood oxygen, temperature, vibration alerts. IP68, up to 14 days per charge, charges in a case with its own battery.
Worn for a couple of months, only minor signs of use.
Complete set: ring, charging case, cable, manual.
New it costs €369 in Germany
