
Titan I
The original smart ring — now more affordable than ever
Titan I delivers the essentials of everyday health tracking in a rugged, durable design built to last. A scratch-resistant stainless steel body and 5 ATM water resistance stand up to daily wear, workouts and the elements — while tracking your sleep, heart rate, blood oxygen, activity and recovery through the Titan app.
Already considering Titan I?
Titan II adds a lighter titanium design, advanced health sensing, stress monitoring, precision temperature tracking, and up to 7 days of battery life.
Compare Titan I and Titan II- Heart rate, blood oxygen and HRV tracking
- Sleep tracking with daily insights
- Automatic activity and step tracking
- Up to 5 days of battery life
- 5 ATM water resistance
- Syncs with the Titan app on iPhone and Android

Low stock · 8 left
Built to measure what matters
Sleep tracking
Automatic sleep staging every night — light, deep and REM — so you wake up knowing how you really rested.
Resting heart rate
Continuous heart-rate monitoring straight from your finger for a cleaner signal than a wrist wearable.
Daily activity
Steps, active calories and movement reminders keep your day on track without a screen on your wrist.
Water resistant
Rated to 50 m (5 ATM) so you can shower and swim without a second thought.
5-day battery
A quick top-up on the included dock keeps Titan I going for up to five days between charges.
Sizes 7–13
Add the $20 sizing kit to nail your fit — you get $20 back as credit toward your ring.
Technical specs
- Material
- Stainless steel body
- Weight
- 3.5 g
- Sensors
- Optical heart rate · SpO₂ · HRV · motion sensor
- Water resistance
- 50 m / 5 ATM
- Battery
- Up to 5 days · full charge in ~1 hour
- Charging
- Magnetic charging dock
- Sizes
- US 7–13
- Connectivity
- Bluetooth Low Energy · iPhone & Android
- Finishes
- Graphite · Steel · Royal
Pairs well with
Every Titan device shares one app, so your ring, scale and tape build a single, complete picture of your health.


