Facebook offered a final price of $7.30 as opposed to Google's offer of $7.35 per share.
The aim of this Apple study was to evaluate how good the algorithm was and whether it was safe.
The deal could put Google in direct competition with Apple and Samsung in the smartwatch, wearable market.
The acquisition comes after it was recently reported that Google and Fitbit were working out a deal.
Google owner Alphabet in bid to buy Fitbit; wearable device maker's shares jump 27%, m-cap at $1.4 bn
There is no certainty that the negotiations between Google and Fitbit will lead to any deal, the sources said, asking not to be identified because the matter is confidential.
Fitbit shares rose 27 percent on the news, giving the company a market capitalisation of $1.4 billion.
Pre-orders for Fitbit Versa 2, will start later in the day and would be available in stores on 15 September.
Samsung has shown a massive growth of 121 percent by selling 800,000 units and taking a 10.6 percent market share
A broad category of items taken off a $200 billion tariff list last year will be subject to a 10 percent tariff as of 1 Sept.
Huawei grew from 1.3 mn shipments and a 4.1% share in Q1 2018 to 5 mn and a 10% share in Q1 2019.
Fitbit said the Versa Lite smartwatch will cost $160, down from $200 for the full version.
Xiaomi's Mi Band 3 by itself accounts for over 30 percent of all wrist bands shipped during the quarter.
The new Inspire and Inspire HR trackers are Fitbit's first business-to-business venture.
The watch also comes in a Special Edition variant for Rs 15,990 that features Fitbit Pay.
Xiaomi shipped 6.9 million wearables as compared to 4.2 million by Apple
Fitbit's share in the smartwatch shipments market went up to 16 percent in Q3 of this year.
Privacy advocates raise concerns if data collected will be used to select profitable customers.
The US Food and Drug Administration said it worked with Apple to develop apps for the Apple Watch.
Apple maintained its top position in the wake of continued demand for its LTE-enabled Watch.
Apple iPhone users are actually choosing the Series 1 as a non-cellular option over Series 3 non-cellular