We also use these cookies to know how shoppers use our providers (for instance, by measuring site visits) so we may make improvements. Provision of telephones compatible with Listening to aids, marked With all the regular ear and ‘T’ image and equipped with inductive couplers and volume controls. Hearing Improvement https://www.firesense.co.uk/type/conventional-fire-system/conventional-sounders-vids-vads/