COLMI R09 Smart Ring with Charging Case — Sleep, Heart Rate, SpO2 & Temperature Tracking
All the insight of a fitness tracker, none of the wrist bulk. The R09 tracks your sleep, activity and daily trends from a 3.5-gram steel ring.
Shipping & returns
Every order ships free with tracking. Most orders arrive in about 7–14 business days; items stocked in US warehouses often arrive sooner. Multi-item orders may arrive in separate packages.
Not happy? Request a return within 30 days of delivery and we'll make it right.
Questions before you buy?
Email troy@globaltradingpartners.email and a real person will get back to you — usually within one business day. Tell us how you plan to use it and we'll tell you honestly whether it's the right fit.
- 24/7 wellness trackingSleep, heart rate, blood oxygen, skin temperature and stress trends.
- Activity trackingSteps, distance and calories, logged automatically.
- Portable charging caseTop up the ring anywhere, no cable hunting.
- 5ATM water resistanceWear it in the shower, at the pool and while washing up.
Wear it and forget it
A smooth steel shell and screen-free design make the R09 comfortable enough to sleep in, which is where a ring really shines. Your data syncs to the app so you can spot patterns in your sleep and activity over time. Use the sizing chart in the gallery to pick your size.
Wellness and fitness use only. Not a medical device.
Specifications
| Metrics | Heart rate, sleep, blood oxygen, skin temperature, stress |
| Activity | Steps, distance, calories |
| Water resistance | 5ATM |
| Material | Steel |
| Weight | About 3.5 g |
| Battery | 15mAh (sizes 7–9), 18mAh (sizes 10–13) + charging case |
| Display | None |
| Certifications | CE, FCC |
