Abstract: A personal proximity warning device for alerting a user to an approaching object includes a housing that defines an interior space. The housing is configured to couple to an article that is coupled to a user. A power module and a transmitter are coupled to the housing and positioned in the interior space. The transmitter is operationally coupled to the power module and is configured to communicate an alert to an electronic device of the user. The electronic device is configured to audibly communicate the alert to the user through one or more speakers that are coupled to the user, such as earbuds and headphones. A sensor is coupled to the housing and operationally coupled to the power module and the transmitter. The sensor is configured to detect motion in an area proximate to the user and to compel the transmitter to communicate the alert upon detection of the motion.