The Kinefox wildlife tracking system uses an 18 g, Kinetron MSG32 kinetic energy harvesting mechanism to power the GPS and accelerometer. Similar to the mechanical systems found in automatic ...
What are the best fitness trackers? When you think of fitness trackers, you probably think of Fitbits. We've tested plenty of models and found them to be easy to use and comfortable on the wrist ...
sleep tracking, GPS, or advanced stuff like VO2 max. Different Fitbits have different levels of tracking. Some even have health features like ECG, oxygen level monitoring (SpO2), or tools to help ...