The company surpassed Street expectations of a one cent loss per share, reporting earnings of 4 cents per share. Fitbit beat revenue estimates of $381 million as well, reporting $394 million for the quarter.
Fitbit delivered mixed guidance for the fourth quarter. It expects earnings over 7 cents per share, beating analyst estimates of 6 cents per share, though it expects revenue to be lower than estimates of $569 million, expecting just $560 million.
Fitbit's smartwatch revenue grew significantly over the third quarter, making up 49 percent of total revenue, compared to under 10 percent less than a year ago.
-CNBC's Carmin Chappell contributed to this report.