Circular brings mobile payments to its 3 Series smart ringDaniel CooperEngadget·Published Sep 4, 2026, 12:24 AM·0 readsCircular's smart ring gets NFC and a haptic motor to go with its one-line ECG.Read the original at engadget.com Open original ↗Share this signalShareWhatsAppTelegramXCopyLinkedInFacebookEmail