D3580-2 DECT 6.0 Expandable Cordless Phone with Answering System and Bluetooth CELLLiNK, Black/Silver, 2 Handsets Connect four Bluetooth enabled cell phones Conduct two different calls at once: 1 cell, 1 land line Transfer 6000 name/number phonebook (1,500 per cell phone) CELLLiNK can even work with out land line service ECO mode for longer battery life