DECT 6.0. Bluetooth enabled. Connect-to-Cell allows pairing of cell phone to base. Mobile notification. Push-To-Talk intercom. Blue backlit display. Message retrieval and speakerphone from handset. HD audio. 50 name/number CID memory and phonebook (1,000 mobile). 20 plus minutes of record time. Full duplex handset speakerphones. Expandable up to 5 handsets. Black/Silver.