Smart rings offer a compelling opportunity for health tracking in a miniaturized format, serving as daily companions and fashion accessories. Equipped with NFC charging, payment, and authentication services, they bring convenience and functionality to the user experience. The Bluetooth Low Energy SoC facilitates optimized performance, lowest-in-class power consumption, and a reduced BOM, making it ideal for highly integrated devices. Its advanced cryptographic block secures sensitive data before transmission, while the large internal memory logs data when the phone is out of reach.