The Plantronics 86009-01 Telephone Interface Cable is compatible with both the CS500 as well as the Savi Office range.
The 4-Pin module plugs into the handset or headset port of your desk phone. The RJ 45 end plugs into the back end of the wirless charging base, the telephone handset plugs into the middle of the cord.
19.7 x 14 x 0.6 cm ; 3.2 Kg
Compatible with the following Plantronics Models: