The Sense Wear Mini Armband is a non-invasive multi-sensor monitor. It produces parameters of activity based on a combination of multiple sensors (e.g., heat flux, galvanic skin response, skin temperature and near-body temperature) and an accelerometer as well as participants’ demographic data (e.g., age, sex, height, weight, smoking status, and handedness). The monitor is designed to be worn on the middle of the triceps. Users must use the manufacturer’s proprietary algorithms to obtain estimates of physical activity and energy expenditure. However, the exact algorithms are often unknown and manufacturers may periodically update their proprietary algorithms to improve accuracy or expand the list of activity parameters being estimated.