Professional Binaural headset with RJ11 Plug Noise Cancelling Direct with RJ11 plug Binaural headset with RJ11 plug Headset Key Features:1. Acoustic shock protection ... ADAPTER for on hook answering, sold by Toshiba, not available from us) Strata CIX, DP5022F-SD, DP5023-SD, DP5018-S, ... , Ulytel 5, Ulytel 4 (2-line) Uniden: 420 and 450Binaural headset photo: Binaural Call center handsfree headset