Which smart ring is best for you? It's an ignominious end for Amazon's short-lived brand and the Halo Band that launched during the pandemic. Amazon could be credited for doing things differently.

The Oura Ring ($399) experienced a spike in ... In September, Amazon showed off a non-wearable sleep tracking monitor, Halo Rise, which sits on a nightstand and tracks breathing patterns while ...

Last year, we’ve featured a super cheap smart ring – BLE, accelerometer, heart sensor, and a battery, all in a tiny package that fits on your finger. Back when we covered it, we expected ...