Collect, upload, and view sleep data from your 3B/React Health Luna® PAP using the QR+ feature, which allows you to take a snapshot of your Luna®s screen to instantly submit your usage data. Optional 3B MaskFitter technology to conveniently help choose СPAP mask selections for the device user’s lifestyle. This easy-to-use app was designed to augment professional medical sizing for PAP masks and is not meant as a substitute for that purpose.