Earpiece, For Use With Mfr. No. SL3500e, SL7550, SL7550e, SL7580, SL7580e, SL7590, SL7590e, Color Black, Push To Talk Yes, Volume Control No, Cord Length 47 in, Connector 3.5 mm Plug, Features Discreet, Lightweight, Includes Clear Acoustic Tube, Material Plastic. This item has been restricted from sale in the following state (s): []