Durable Hand Switch (Push-To-Talk) for Headset Adapters with 1/8" (3.5 mm) Plug
Compatible with series HS-01xx, HS-03xx, HS-04xx, HS-05xx, HS-06xx type of adapters. It has a standard 1/8" ( 3.5 mm) stereo plug which wired as mono and red push button. The hand switch plugs into headset adapter jack labeled as PTT.