Units shipped: https://www.canalys.com/newsroom/apple-falls-third-place-q2-2017-wearable-band-market-smartwatches-receive-boost-second-half https://www.canalys.

Units shipped: https://www.canalys.com/newsroom/apple-falls-third-place-q2-2017-wearable-band-market-smartwatches-receive-boost-second-half https://www.canalys.com/newsroom/apple-falls-third-place-q2-... I don't think Apple reports units shipped. Fitbit does. I don't know about Xiaomi. The numbers are a mix of reported units and estimated units.