Beacons are Bluetooth Low Energy devices that use unique IDs to allow smartphone apps to precisely locate users within 0.5 meters. While beacons have a range of up to 70 meters, their signals typically only travel 50 meters and do not pass through people well. Beacons require a smartphone app in order to provide location-based messages and content to users, even if the app is not open. Beacons are reusable, movable devices that can enhance customer engagement when paired with a beacon management platform that allows customization of messages, frequency, and analytics.