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Specifications
As published on ultrahuman.com, checked September 6, 2026.
Size and design
- Materials
- Titanium, PVD Coating, Epoxy, PolycarbonateUnibody titanium build
- Inner surface
- Hypoallergenic plastic, Titanium
- Thickness
- 2.65 mm (varies by size)
- Weight
- 3.3–4.8 g
- Water resistance
- 100m / 328 ft
- Sizes
- 5–14No half sizes; Ring PRO uses custom sizes that may differ slightly from standard US ring sizes. Sizes match Ring AIR sizes
- Colours
- Bionic Gold, Space Silver, Aster Black, Raw Titanium
- Safety
- ProRelease Technology — ring can be safely cut in case of finger swelling or injury
Battery and power
- Battery life
- Up to 15 days (Turbo Mode ~12 days, Chill Mode 15+ days)Based on testing under specific conditions; varies with usage patterns, settings and environment
- With PRO Charger
- Up to 45 daysRing battery life extended by the PRO Charging Case
- Charging
- PRO Charging Case with UltraSnap magnetic charging; DC magnetic charging pins
- Case battery
- Up to 45 days
- Case charging
- USB-C, Qi wireless (5W)
- Case materials
- Aluminum, Stainless Steel, Plastic
- Find My Case
- Integrated speaker, in-app proximity tracking
Sensors and navigation
- Sensors
- Temperature, redesigned PPG, 6-axis IMU
- Calibration
- Up to 14 days
Processing and software
- Processor
- Dual-core with on-chip machine learning
- On-device storage
- Up to 250 days of data (internal and external flash)
- Case data backup
- Up to 1 year of ring dataOne year of case data storage applies to Ring PRO in Chill Mode
- AI
- Jade, an in-app AI assistant with a quick-answer mode and a deeper analysis mode
Connectivity
- Bluetooth
- BLE 5.3; Bluetooth Low Energy, EMF-safe
Compatibility
- App
- Ultrahuman app for iOS and AndroidApp Store and Google Play links on the page
- Subscription
- None required; one-time purchase with lifelong access to ring dataPowerPlugs and UltrahumanX are optional paid add-ons
- HSA/FSA
- EligibleHSA/FSA payment powered by Flex
In the box
- Ultrahuman Ring PRO
- 1
- Ring PRO Charger
- 1Charging case included free; Gold or Black case
- USB-C cable
- 1Type-C to C Cable (1 mtr)
- Sizing kit
- 1Free and optional; plastic sizers in sizes 5 to 14; yours to keep, no return required; skip it if you know your ring size
Warranty, returns and shipping
- Warranty
- 12 months limited warranty from the date of delivery against defects in materials and workmanshipValid only in the country of purchase; batteries and coatings excluded unless defective
- Returns
- 30 days from deliveryOriginal accessories including the charger and packaging required; return shipping free
- Shipping
- US shipping from September 15, 2026 onwards; shipping and tax calculated at checkoutSizing kit ships first; the ring ships after the size is confirmed. Additional local taxes or carrier fees may apply on delivery
- Size confirmation
- Within 120 days of receiving the sizing kitThe order is treated as fulfilled if no size is confirmed within 120 days
Add-ons, coverage and trade-in
- Cardio Adaptability PowerPlug
- $24 for 1 year; $38 for 2 yearsOptional; nighttime heart monitoring; HSA/FSA eligible
- Cycle & Ovulation Pro
- $39 for 1 year; $69 for 2 yearsOptional PowerPlug; clinically-validated cycle and ovulation insights; HSA/FSA eligible
- UltrahumanX coverage
- $36 for 1 year; $54 for 2 yearsOptional. 1 year: accidental damage protection, priority care. 2 years adds theft and loss protection and weight loss insurance (one ring replacement per plan); $30 extra trade-in credit
- Trade-in
- Save up to $115Optional; credit processed digitally after serial number verification; the old ring is not returned
- Ring AIR comparison
- Ring AIR: $349; 2.4 mm thick; 2.4 g; 4–6 days battery; single-core processor; 4 days on-device storage; wireless charging pad (~180 min to full charge)As listed in the Compare PRO vs AIR table on the buy page