Quickly & easily add phone to a new location in your home or office. Four, pre-set equalizer programs let you choose the sound quality that best fits your hearing. Tri-lingual menus support easy interaction & user convenience. Easy-to-read display clearly shows phonebook & Caller ID information. Compatible with most hearing aids. Answering System: Digital; Lines: 1; Telephone Type: Cordless; Caller ID / Type: Handset.