From the Oura Ring 4 to Apple Watch Series 11, these are the absolute best fitness trackers I tried in 2025. Shop my picks, ...
The category, popularised by the Finnish brand Oura Health Oy, is on track for a 49% jump in shipments in 2025, according to ...
By tracking biometrics like temperature, respiratory rate and heart rate, the Oura Ring can catch early signs of physical ...