You'll forget
you're wearing it
3.2 grams of titanium. No screen, no buzzing. It reads your pulse, temperature and sleep all night, then gives you one number in the morning.
23:18 — asleep
What it reads while you sleep
- 48bpm
Heart rate
Every five minutes, all night.
- 62ms
HRV
How far your body actually recovered.
- −0.2°C
Skin temperature
Drift from your own baseline, not an absolute.
- 14/min
Breathing
Steady, or interrupted.
- 96% SpO₂
Blood oxygen
Saturation through the night.
- 4stages
Sleep stages
Deep, light, REM and every wake-up.
03:20 — lowest pulse
Why a ring
A finger is thinner than a wrist and the artery sits closer, so nothing slips overnight. In the gym a watch is more accurate — we won't pretend otherwise.
| Feature | FIT Ring Aura | Band | Watch |
|---|---|---|---|
| In bed | 3.2 g, unnoticeable | Strap digs in | Heavy |
| Night pulse accuracy | High | Medium | Medium |
| Workout accuracy | Medium | Medium | High |
| Battery | 7 days | 5–7 days | 1–2 days |
| Screen and alerts | None | Yes | Yes |
| Subscription | None | None | Sometimes |
06:30 — awake
One number in the morning
No wall of charts at seven in the morning. The whole night comes down to a readiness score and what to do with it.
Well recovered. Train at full effort.
- Sleep6h 45m
- RecoveryHRV 62 ms
- Temperaturenormal
- Yesterday's loadmoderate
Every day
Built to disappear
- Weight
- 3.2–4.1 gdepending on size
- Material
- Titanium, DLCmatte black
- Profile
- 2.6 × 7.9 mmthickness and width
- Battery
- 7 days80 minutes to full
- Water
- 10 ATMshower, pool, sea
- Sensors
- PPG, SpO₂, NTC, 3-axispulse, oxygen, temperature, motion
- Sizes
- 6 — 13 USsizing kit included
- Connectivity
- Bluetooth 5.2iOS 15+, Android 9+
- Storage
- 30 daysworks without your phone
- Warranty
- 2 yearssize exchange within 14 days
Launch price
$120$39
- Ring and charging dock
- Sizing kit, free, before you commit
- Express delivery in 3–5 days
- App with no subscription, ever
- 2-year warranty, 14-day size exchange
Next step is your delivery address. Payment comes after that.