The old Blackwire C315 ( PN: 200264-02 and C315-M PN: 200264-01) and C325 headsets (C325 PN: 200263-02 and C325-M PN:200263-01) are being discontinued on December 31, 2015, and will be available while supplies last. The new Blackwire C315 (C315 PN: 204440-02 and C315-M PN: 204440-01) and C325 models (C325 PN: 204446-02 and C325-M PN: 204446-01) with added 3.5 mm connection are available now.
