ULTRAHUMAN Ring Air Smart Ring Raw Titanium Size 8 - Sleep & Fitness Tracking, Heart Rate, HRV, SpO2, Skin Temperature, 6-Day Battery, 100m Water Resistance

The ULTRAHUMAN Ring Air stands out by packing advanced health monitoring into an uncoated raw titanium band that weighs next to nothing and slips onto any finger. Unlike wrist-worn trackers, it captures sleep, recovery, and activity data with medical-grade sensors while remaining discreet enough for 24/7 wear.

Highlights

• Raw titanium housing with a minimalist 2.8 mm width and 2.4 mm thickness
• Tracks sleep stages, heart rate, HRV, blood oxygen (SpO2), and skin temperature
• Delivers readiness, recovery, and energy scores to guide daily training and rest
• Up to 6 days of battery life with a magnetic charging dock
• Water resistant to 100 meters (10 ATM) for swimming and showering
• Pairs with iOS 15+ and Android 8+ via Bluetooth Low Energy 5.0

In daily use

The Ring Air syncs automatically with the Ultrahuman app, turning raw sensor data into actionable insights. Its infrared PPG sensor and 3D accelerometer capture heart rate, movement, and temperature without interrupting your day. A full charge takes under an hour, and the ring is sized at US 8 (EU 57, UK P 1/2) for a snug, comfortable fit.

Full specifications

• Housing material: Raw Titanium
• Ring size: US 8 (EU 57, UK P 1/2)
• Battery life: Up to 6 days
• Water resistance: 100 meters (10 ATM)
• Connectivity: Bluetooth Low Energy (BLE) 5.0
• Compatibility: iOS 15.0 or later, Android 8.0 or later
• Sensors: Infrared PPG, skin temperature sensor, 3D accelerometer
• Health metrics: Sleep Index, Movement Index, Recovery Score, Readiness Score, Energy Score

Final note

The Ring Air is a discreet, durable alternative to bulky fitness watches, built for anyone who wants deep health insights without changing their style.