The BIOL-24 Progressive Web Application (PWA BIOL-24 or BIOL-24) controls the BIOL device. PWA BIOL-24 works on various operating systems: Windows, macOS, Linux, Unix and iOS using EDGE, CHROME, VIVALDI and BLUEFLY (for iOS) browsers. The application is available in all EU languages. PWA BIOL-24 is very easy to use. It can turn on the BIOL medical device for a selected time interval: from 1 minute to 180 minutes, and has 3 preset intervals of 20, 90 and 120 minutes. It gives a sound signal 20 seconds before the end of the time interval. The application displays how much time the medical device has left to work and shows the battery charge level of the BIOL medical device. Controls the medical device via BLUETOOTH BLE