Panasonic adapter cable for electronic hook switch suitable for: Panasonic telephones series KX-NT 543, KX-NT 546, KX-NT 553, KX-NT 556, KX-NT 560, KX-UT 133, KX-UT 136, KX-UT 248, KX-UT 670, KX-DT 543 and KX-DT 546, as well as DW Office, DW Pro 1, DW Pro 2, SD Office, SD Pro 1, SD Pro 2 and D 10 Phone.

Please check headset compatibility guide for further information.