Oura 4 Gold Ring - size 7

Gold Oura 4 Ring, size 7 with charger. Purchased in February. Very good condition with minor signs of daily wear. Smart ring that tracks sleep, heart rate, body temperature, movement, and activity. It's worn like jewelry and features a new Smart Sensing algorithm with 18 sensor signal pathways, accounting for different finger sizes and rotations. The Oura Ring 4 also has a new "Meals" feature in Oura Labs that analyzes uploaded meal photos to help users time meals with their chronotype.