1Colmi · 2026R107.432% pricier ≈ $35 Battery life (smartwatch mode) 4 days vs 3 daysWeight 2.7 g vs 3.8 g Compare with Trinity Smart RingCompare
2Colmi · 2024R034.812% pricier ≈ $30 Battery life (smartwatch mode) 7 days vs 3 days Weight 4.7 g vs 3.8 g Compare with Trinity Smart RingCompare
3Amazfit · 2024Helio RingBattery life (smartwatch mode) 4 days vs 3 daysWater resistance 10 ATM vs 5 ATM Compare with Trinity Smart RingCompare
4Colmi · 2025R123.844% pricier ≈ $35 Battery life (smartwatch mode) 5 days vs 3 days Water resistance 1 ATM vs 5 ATMWeight 4.7 g vs 3.8 g Compare with Trinity Smart RingCompare