Shipments of connected wearables are set to reach 19 million units in 2014, up from 5.9 million devices in the previous year. Growing at a compound annual growth rate of 54.7 per cent, total shipments of smart watches, smart glasses, fitness and activity trackers, people monitoring and safety devices, and medical devices as well as other wearable devices are forecast to reach 168.2 million units in 2019. According to a new report from the research firm Berg Insight, Bluetooth will remain the primary connectivity option in the coming years, but nonetheless, a total of 16.6 million of the wearable device shipments in 2019 are forecast to incorporate embedded cellular connectivity, mainly in the smart watch, and people monitoring and safety categories. Report