If your loop system on your hearing aid doesn't seem to be working, check the building you are in has it switched on.
Audio Service Mood 16 G4 Hearing Aid
Small, discreet and smart, Mood 16 G4 hearing systems are ideal partners for mobile and active people. These premium hearing systems with Tech Level 16 technical features can be worn discreetly behind the ear. The Mood 16 G4 hearing systems feature wireless functionality, so they can be wirelessly connected to other audio devices and operated by remote control. A smartphone app is available to allow the wearer to conveniently adjust hearing programs and volume.