Key Features: Mfr. Part #: 65218-01 Phone to Amplifier Cord Connects a phone to an amplifier Compatible with the following Plantronics Headsets: A20, CA10, CS10, S10, S11, S12, S20, AH450/AH450N, AH460/AH460N, KS23822_L17, KS23822_L56NA & KS23822_L20
