35mm Mono Plug Mount Strap Push to Talk Switch PTT Button for Icom Vertex Radio Headset This is a Press-To-Talk switch with 3.5mm plug and velcro fastening designed for use with many Icom and Vertex portable radio headset adapters. This is a ''Plug in'' type switch, and does not require any modification to aircraft wiring. We also have 2.5mm mono plug version, 3/16" 5.2mm Plug(with 3/16" 5.2mm Jack) version, and 5-pin miniXLR version. If you need a different version, please don't hesitate to contact us. Features - Easy to install - Button with more than 1,000,000 cycle push test - Button covered silicone cap for waterproofing - High quality buttons prevent unnecessary noise Specification >| Connector size: 3.5mm mono plug >| Weight: 0.07kg Warranty 1-Year _x000D_