Fitbit Charge 4 leaks along with price and available colors1
As the name suggests, the Fitbit Charge 4 appears to be a successor to the Fitbit Charge 3, released back in 2018. Judging by the titles, there will be two versions of the Charge 4 available - a standard version in Black, Rosewood, and Storm Black/Blue, and a special Granite edition.
There’s also an NFC label in the name, presumably for mobile payments, but the much needed standalone GPS feature appears to be missing. One of the main complaints users voiced about Charge 3 was precisely the lack of a GPS module in the device, forcing people to take their phones when going out for a jog. Meanwhile, Dave Zatz posted an FCC filing on Twitter showing the same device names but adding an IP68 rating to the specs.
— Dave Zatz (@davezatz) March 18, 2020