Which two are Cisco IP phones that are Bluetooth-enabled devices?

Which two are Cisco IP phones that are Bluetooth-enabled devices? (Choose two.)

A.
Cisco Unified IP Phone 9971

B.
Cisco IP Communicator

C.
Cisco Unified IP Phone 7925G

D.
Cisco Unified IP Phone 8961 Series

E.
Cisco Unified IP Phone 6900 Series