Other Smart Rings We've Tested

We have tested several other entrants in this nascent category, some good, some bad, and some in between. Here is the lowdown on some of your smart ring alternatives.

Luna Ring 2.0 for $329: We had issues with charging and connectivity with the first-generation Luna Ring, but the Indian manufacturer seems to have made significant improvements in version 2.0. My Luna Ring 2.0 came with a jazzy wireless charging case ...