Motiv Ring 2 WearableHollis Johnson/Business Insider

These days, most wearables seem intent on providing you with the most information possible. But a new health and fitness tracker is intent on doing only a few things, and doing them well. 

The Motiv ring is a smart ring that tracks your activity, heart rate, calories burned, distance covered, and hours of sleep. Wearables startup Motiv launched the first-generation ring last year, but now it’s back with the second-generation ring that has an interesting new feature: two-factor authentication. 

I’ve been using the new Motiv ring for about a week to see if it could track my lifestyle, and help keep me more secure online.

Here’s what I found.