RingConn Smart Ring

RingConn makes a line of smart rings that track sleep, heart rate, blood oxygen, stress and activity, with data shown in the RingConn app and no subscription fee for its features. The range includes the entry-level Gen 2 Air and the Gen 3, released in 2026, which adds a vibration motor and blood pressure trend estimates calibrated with an upper-arm cuff.

Text from OyList