Meta has unveiled it's Project Aria Gen 2 glasses for research, and they arrive with heart rate monitoring and a microphone to distinguish voices.

Meta says that the 75-gram Aria Gen 2, which can perform AI tasks like eye tracking, hand tracking, and speech recognition, packs open-ear “force-canceling” speakers and a battery that lasts up to eight hours on a charge.

Meta has unveiled Aria Gen 2, the latest part of its research-focused smart glasses, bringing several improvements such as heart rate measurement. These new smart glasses have a PPG sensor in the nosepad to track your heart rate—one of the first to do it.