Fitbit, Inc. revised earnings guidance for the fourth quarter 2016, revised revenue guidance for the full year 2016 and provided earnings guidance for the full year 2016 and 2017. For the fourth quarter 2016, the company expects revenue to be in the range of $572 million to $580 million, compared to the company's previously announced guidance range of $725 million to $750 million. Non-GAAP diluted net loss per share is expected to be in the range of $0.51 to $0.56 compared to the previously announced guidance range of non-GAAP diluted net income per share of $0.14 to $0.18. The non-GAAP effective tax rate is expected to be materially higher than prior guidance.

For the full-year 2016, the company expects annual revenue growth to be approximately 17% from the previous forecasted growth of 25% to 26%.

For the year 2016, the company expects to earn approximately $32 million in non-GAAP free cash flow.

For the year 2017, the company expects preliminary revenue guidance of $1.5 billion to $1.7 billion, preliminary non-GAAP basic net loss per share of $0.22 to $0.44 per basic share, preliminary non-GAAP free cash flow guidance of approximately negative $50 million to $100 million and long-term non-GAAP gross margin of approximately 45% versus previous 50% target.