The SE6590B cordless phone by Philips uses DECT 6.0 technology that offers a crisp and clear sound for all your phone conversations. Enjoy high quality conversations with Philips Enhanced High Def Voice. The sophisticated technology, high-quality speaker and real acoustic chamber of the Enhanced High Def Voice, bring each of your phone conversations to a superb level of clarity. The phone can store up to 200 names giving you the convenience of storing phone numbers for friends and family in one place. The full color display screen and brightly lit keypad make it easy to dial outgoing calls and see names and numbers of incoming calls. The phone features a variety of polyphonic ring tones allowing you to match specific rings for family and friends. Use the speakerphone located on the handset to enjoy the convenience of talking on the phone hands free. The SE6590B is capable of connecting up to 8 handsets.