10 x Telephone Interface Cable for CS500 & Savi 8200 Office Wireless Headsets
For Savi Office CS500 Series & W700 series. your Plantronics Savi Series. It is also compatible with Savi CS510, CS520, CS530 & CS540 Wireless Headsets as well. W710, W720, W730 W740 & W745 Cordless Headsets.