Fitness Band shipments in the fourth quarter of 2016 grew +24% YoY as demand again shifted towards lower price tiers, continuing to show clear signs of commoditization. Fitbit was once again the #1 fitness band vendor globally in Q4 though has shown lackluster performance over the Western holiday season in mature markets. On the low end, Xiaomi retained the #2 spot in Q4 with a more globally competitive product mix, increasing shipments an impressive 104% YoY. Our report tracks global fitness band volume and share by hardware vendor by quarter by region. It can be used by device makers, component suppliers, operators, software developers and other stakeholders to determine the size of the fitness band market worldwide.