Circular is adding some style to your smart tech wardrobe with the introduction of the limited edition Silver Ring, finally answering the call for a sleek, metallic option. This new design gives a fresh spin on the wearable that tracks not just your fitness, but keeps an eye on your overall health and wellness. It’s like having a personal health coach, but one that’s far more fashionable and less likely to scold you for skipping leg day.
What makes Circular stand out is their unique use of haptic navigation in their smart rings—no other brand’s rings give you that little buzz to let you know you’re on track. The latest Circular Ring Slim is packed with technology, designed to keep you in the loop on everything from your sports performance to your health. This ring tracks seven key biometrics and 142 different markers, around the clock. It’s like the overachiever of wearable tech, but you won’t mind.

During the day, the Circular Ring Slim quietly monitors your activity levels, heart rate, blood oxygen, calories burned, and even your chronotype—fancy talk for your body’s natural rhythm, which helps with sleep and wake cycles.
At night, the ring steps it up a notch by tracking sleep quality, heart rate variability, REM cycles, and sleep disturbances. It even checks temperature changes, which can clue you in on immune health and help detect early signs of illness. So, it’s like your personal health detective, but much less dramatic.
The ring pairs up with the Kira+ app, where users can access insights through ‘Circles’—mini hubs that break down your metrics in easy-to-digest ways. Some of the highlights:
- Sleep Analysis Circle: Helping you understand why you’re always tired.
- Energy Circle: Tells you how much fuel you’ve got in the tank throughout the day.
- Activity Circle: Tracks steps, VO2 max, activity intensity, and calories burned—because sometimes, it’s nice to know your couch has competition.
- Coherence Circle: A new feature designed to help you chill out with breathing exercises that bring mind and body into sync.
The Circular Ring Slim Silver Edition will be available just in time for the holidays on the Circular webstore.