Global core wearables revenues in Q1 2017 were down 30% QoQ with the industry ARPU averaging US$157. "Core" wearables, for this report, is defined as the "core" wrist-worn wearable device types of fitness bands plus smartwatches. Apple holds the 1st position as the world's largest wearables vendor in Q1 2017 by revenue, followed by Samsung, which overtook Fitbit for the first time due to the Gear S3 and a relatively weak quarter from Fitbit. Our report tracks core global wearable revenue, shipments, and market share by hardware vendor by quarter. It can be used by device makers, component suppliers, operators, software developers, content suppliers and other stakeholders to determine the size of the main global wearables market.