The main development was the transition from plastic to titanium; titanium is now available in four different colors: gold, silver, rose gold and black. Additionally, Circular Ring 2 features improved sensors for more accurate health data, as well as an updated ECG sensor that can diagnose atrial fibrillation for the first time in its category.
The company also announced that it has addressed issues such as timing, battery life and water resistance, which were criticized in the previous version. Now the device can work for up to four days in active use mode and up to eight days in saving mode. The charging system has also been improved: instead of a compact USB charger, a charging station has appeared.
Source: Ferra
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