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 headsets (via 2.5mm jack) & hearing aids. Lines: 2; Telephone Type: Cordless; Caller ID / Type: Handset; Speakerphone: Handset.