Here's why the VIV Ring is my favourite sleep tech product at CES 2025 so far

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The VIV Ring has similar features to Oura and Galaxy smart rings.

It analyzes biometric data including heart rate variability, oxygen saturation and stress levels.

Black titanium VIV Ring with green-lit smart sensors on black background

But where it sets itself apart is in its sleep enhancement features.

The company achieved its initial production milestone, completing development of the VIV Ring in December 2024.

After debuting at CES 2025, the VIV Ring is expected to commence sales in February 2025.

VIV Ring:

VIV works with Gangnam Severance Hospital, a top university hospital in Korea, for their clinical trails.

The company is working towards a medical-grade health tracking gadget to launch in mid 2025.

The ring is designed to be aesthetic and comfortable as well as functional.

The Circular Ring 2, up close, with half of the device slightly obstructed by orange glass in the foreground

Hands-on with the RingConn Gen 2 smart ring

Samsung Galaxy Ring

Close-up of the Ringconn Gen 2 Air smart ring on a user�s index finger

Three photos side by side of two women and a man sleeping wearing a gold sleep smart ring

Close-up photo of the black version of Samsung�s Galaxy Ring held between thumb and index finger in front of a garden.

The blue box of the Amazon Echo Spot on bedside table with plant and red and yellow book with Tom�s Guide Amazon Spring Sale badge

A collage of sleep tech gadgets including mattress vacuum, air purifier, glasses, sleep mask and light clips surrounding Tom�s Guide Amazon Spring Sale deals badge on purple background

The image shows a montage of different sleep tech products, including a Hatch Restore sunrise alarm clock, Oura Ring, Rise Sleep App, Mixx earplugs and SOMO eye mask