
CHF300.–
Ultrahuman Ring AIR size 8
Ultrahuman Ring AIR size 8
I bought the ring at the end of September 24. at the beginning, one battery charge lasted just under 3 days, but now, after less than 4 months, I've reached 2 1/2 days. according to the website, it should easily last 4 days. should I register it for repair?