Fitbit Edge: 1.34" AMOLED, GPS and up to 7 days of battery for $179

The Fitbit Edge is a 33-gram tracker with a 1.34-inch AMOLED display that is 46% larger than the Charge 6's, plus GPS, an altimeter, ECG and skin temperature tracking. It costs $179 and lasts up to seven days, dropping to about two days with always-on display enabled.

• 1.34" AMOLED screen is 46% larger than the Fitbit Charge 6's
• Up to 7 days of battery, about 2 days with always-on display
• GPS, altimeter, ECG and skin temperature tracking
• Priced at $179, works with Android and iPhone