There are currently 14 official Joy-Con color variations (not including special editions). These standard Joy-Con colors are all solid, with the color carrying through from the front to the back. The ...

One of the most important metrics on a Fitbit tracker is the Estimated Oxygen Variation—and now that every tracker is fitted with an SpO2 sensor, everyone can take advantage. Blood oxygen may be used ...

Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...

CGMs give you real-time readings to help you understand how certain foods, activities and medications affect your glucose levels. Some, but not all, are FDA-approved. One popular CGM that is ...