The Ultrahuman Ring Air impressed us in our review – it tracks heart rate (and variability), blood oxygen and sleep, it does exercise tracking too. The solid hardware is paired with a capable app that doesn’t require a subscription, unlike some other smart rings. And the ring has FDA approval for Atrial Fibrillation detection (aka arrhythmia).
Together with Ultrahuman, we can offer you an exclusive 20% discount on the Ring Air using the code GSM20 – follow this link to ultrahuman.com to claim the discount (it works for all markets where the ring is available). The discount is valid…
Source: GSMArena.com – Latest articles