2016 global wearable device shipments are expected to be over one, annual growth rate of 38.2%. Wearable device Market Forecast in the next 5 years continued to grow by 2 figures, the estimated 2020 shipments of. 2016 global wearable device shipments are expected to be over one, annual growth rate of 38.2%. Wearable device Market Forecast in the next 5 years continued to grow by 2 figures, the estimated 2020 shipments of.