Circular / RING

Ring 3 Pro / Slim

Name: Circular Ring 2
Brand: Circular
Price: 299 USD

Announced

The Circular Ring 3 Pro / Slim is a smart ring, announced for 2027. Two-size titanium follow-up bringing NFC payments and vibration alerts to both models, with ECG and blood-pressure trends reserved for the 12-day Pro.

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Circular Ring 3 Pro / Slim — ring worn on the finger — Image sourceTom's Guide

Generations

Generation	Year	Status	Price
Ring 3 Pro / Slim	2027	Announced	TBD
Ring 2	2026	Shipping	$299

Specifications by generation

Ring 3 Pro / Slim

2027Announced

Two-size titanium follow-up bringing NFC payments and vibration alerts to both models, with ECG and blood-pressure trends reserved for the 12-day Pro.

CATEGORY: RING
WORN: Finger
RELEASE: 2027
PRICE: TBD
SENSORS & HARDWARE: Biometric PPG heart rateBlood oxygen (SpO₂)Skin temperatureECG (Pro)Blood pressure (Pro trends)

Motion Accelerometer

Input Haptics

Connectivity NFC payments (payments)

Ring 2

2026Shipping

Titanium ring built around an on-finger single-lead ECG with AFib detection and PPG-based blood-pressure estimation.

CATEGORY: RING
WORN: Finger
RELEASE: 2026
PRICE: $299
SENSORS & HARDWARE: Biometric ECG (single-lead)PPG heart rateBlood oxygen (SpO₂)Skin temperature

Motion Accelerometer

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Independent index — figures are approximate and editorial, not official spec sheets. Methodology. Last reviewed 2026-09-15.