COMTEK ALS-216 The ALS-216 Assistive Listening System

Personal Trainer System. Includes M-216 option 1 wireless microphone transmitter with microphone mute switch, CM-183 RT lapel microphone, WM-183 windscreen, PR-216 receiver, two MDR-J10 (L/R) mono headphone sets, two BC-216 belt clips, and C-216 carrying case.