GoKawiilGoogle details hardware differences between Fitbit Edge and Fitbit Air
Google has outlined how its new Fitbit Edge and Fitbit Air trackers differ beyond screen size. The screenless Air relies on the Google Health app for interaction, while the Edge adds a 1.34-inch AMOLED touchscreen, a side button, ECG support, an altimeter and an ambient light sensor. Both devices are rated for seven days of battery life and carry IP68 and 5ATM water/dust resistance.