Nordic-powered smart fitness ring measures biomarkers for workout and recovery suggestions

Fitness technology company Ultrahuman has launched a smart ring that can track and record a range of health parameters, and simultaneously offer the wearer activity or recovery recommendations. The ‘Ultrahuman Ring Air’ is designed to provide a range of metrics—including a movement index and a sleep index—that can help the user better understand and improve their fitness level and the factors that affect their metabolism.

Full suite of sensors

The smart ring integrates a range of sensors to record sleep, movement, heart rate, heart rate variability (HRV), and skin temperature, as well as Nordic Semiconductor’s multiprotocol nRF52840 SoC. The Nordic SoC’s 64 MHz, 32-bit Arm® Cortex® M4 processor with floating point unit (FPU), plus 1 MB Flash memory and 256 KB RAM, supervise the sensors and record the data, while its 2.4 GHz multiprotocol radio provides Bluetooth® LE wireless connectivity to the user’s smartphone and the ‘Ultrahuman’ app.

“Ultrahuman Ring Air’s lightweight composition and sleek design enable superior comfort during lifestyle activities like sleeping, napping, or even workouts in the gym,” said Mohit Kumar, Founder and CEO of Ultrahuman. “Tracking your health should be a seamless experience, that’s why we went back to the drawing board to redesign the smart ring from the ground up to break the barriers of existing wearable form factor design. For example, your HRV levels can determine whether you’re primed for your workout, or if you should rest instead and give yourself time to recover.”