The world of technology has rapidly advanced into a new era of smart wearables. Many engineers, gadget lovers, and those simply striving for a healthier lifestyle have picked up on the wearable smart products and their wireless technologies. As the demand for this technology grows, special connectivity and contactless data transmission solutions are implemented in the design process, as standard connectors may not fit due to the wearable’s size, technology, and aesthetics. This application note discusses using contactless data, antennas, and other connectivity components in smart wearables.