#SpO2 monitoring

★ 4.3

DSHKISK Smart Ring Review – Sleep Tracking, Heart Rate & No Subscription Fees

I wore the DSHKISK Smart Ring for three weeks to see if a sub-$100 ring can actually track sleep, heart rate and SpO2 without a monthly fee. Here's what I found — the good, the questionable, and who should skip it entirely.

haunh5 min read

★ 4.2

Aoyool Smart Ring Review: Sleep & Health Tracker Tested

I slipped the Aoyool Smart Ring on before bed on a Tuesday, skeptical that a $50 ring could genuinely track my sleep. Three nights later, I had data that actually made sense — and a few surprises I didn't expect. Here's my full review of this budget health tracker ring.

haunh4 min read