Ultrahuman Ring RARE
Quick details
Released
January 2025
Dimensions
8 mm wide x 2.45 mm thick
Operating system
Proprietary embedded firmware
Display Screenless
Battery life Up to 6 days
Water resistance 100 m / 328 ft
GPS No
Sensors PPG, skin temperature, 6-axis motion
Links Ultrahuman
Technical specifications
General
Release date 2025-01-07
Product type Smart ring
Physical size 8 mm wide x 2.45 mm thick
Weight 4-8 g depending on size
Material 18K gold or Pt950 platinum with a seamless hypoallergenic resin inner surface
Water resistance 100 m / 328 ft
Color options Desert Rose, Desert Snow, Dune
Display type None (screenless)
Display size None
Display resolution None
Display brightness None
Display protection None
Battery Rechargeable ring battery
Battery life Up to 6 days
Charging Ring RARE charger
Sensors
GNSS type None
GPS No
GALILEO No
GLONASS No
QZSS No
Beidou No
Accelerometer Yes
Gyroscope Yes (6-axis motion sensor)
Barometric altimeter No
Compass No
Geomagnetic No
Ambient light sensor No
Optical heart rate Yes
Electrical heart rate No
SpO2 Yes
Temperature Yes
Galvanic skin response No
Microphone No
Speakers No
Vibration motor No
Health & activity tracking
Steps Yes
Distance Yes
Calories burned Yes
Floors No
Sports tracking Yes
Sleep Yes
Heart rate Yes
HRV Yes
Stress Yes
Blood oxygen Yes
Respiration rate Yes (sleep analysis)
Skin temperature Yes
ECG No
Blood pressure No
Body composition No
Glucose No
Hydration level No
UV exposure No
Calorie intake No
Hyperglycemia risk assessment No
Arterial stiffness detection No
Pulse wave arrhythmia analysis No
Daily smart features
Smartphone compatibility Ultrahuman app on iOS and Android
Operating system at launch Proprietary embedded firmware
Bluetooth Yes (Bluetooth Low Energy)
Wi-Fi No
NFC / connected pay No
UWB No
Cellular No
Smartphone notifications No
Bluetooth calling No
Smartphone music control No
On-board music storage No
Voice assistant No
Links
Affiliate link Ultrahuman
These technical specs are correct to the best of our knowledge at the time of publishing.
