The NEC UX5000 DG-12e 12-Btn Display Terminal (BK) contains: part # 0910044(12) Programmable Function Keys, (12) Fixed Feature Keys, (4) Interactive Soft Keys, Navigator Key, Backlit Dialpad, Full-Duplex Speakerphone, Built-in Wall-Mount, Headset Jack, Connector for optional adapter. additionally this unit has the Blue Tooth multibutton handset as well as Blue tooth headset intergration.