After thorough testing, we've found the best sleep tracking devices to ... and sleep data without a bulky device on their wrist. This Fitbit’s sleek design, small digital screen and impressive ...

The user can control the device clicking a small button or -- for devices with ... "In the future, integrating the IRIS camera system into a health-tracking smart ring would be a transformative ...

Their earbuds have tiny sensors that track your heart rate and brain wave activity. The heart rate monitor works just like the one built into your smartwatch. The brainwave tracking works through a ...

York said the scariest part about tracking devices is how small they are. She referenced an Apple AirTag, which is slightly bigger than a quarter. York said victims often find those devices taped ...

There were plenty of fitness and health-tracking devices that made their debut at CES 2025, we have shortlisted five that ...