Even Realities R1 vs Luna Ring 2.0

What R1 does better (0) and where Ring 2.0 wins (1) — every spec side by side.

Even Realities · 2026R1

0 advantages≈ $290

Luna · 2026Ring 2.0

1 advantage≈ $320

7.4Health tracking9.6

Why is R1 better than Ring 2.0?

R1 has no measurable advantages in this pair.

Specifications

Only differences	Even Realities R1≈ $290	Luna Ring 2.0≈ $320
Design & durability
Water resistance	5 ATM	5 ATM
Water rating (maker)	5 atm / 50 m	5 atm / 50 m
Colours	Grey	—
Battery
Battery life (smartwatch mode)	4 days	6 days
Health sensors
Optical heart rate	Yes	Yes
Blood oxygen (SpO2)	Yes	—
Skin temperature	Yes	Yes
HRV tracking	Yes	Yes
Sensors	heart rate, SpO2	heart rate, accelerometer