Z-tactical Peltor Ptt Military Adapter Z112 Standard Version For Mobile Phone 3.5mm Version(samsung/iphone/htc/nokia) - Tactical Headsets & Accessories - AliExpress
TAC SKY Tactical PTT Adapter U94 V2 PTT Push to Talk Phone PTT Plug 3.5mm Compatible with PELTOR COMTAC SORIDN Tactical Headset| | - AliExpress
Amplified U-174 TP-120 to General Aviation Adapter for Peltor Comtac & Sordin | eBay
Amazon.com: U-174 / TP-120 Adapter Cable/PTT Wire Compatible with Peltor Comtac and Compatible with 3.5mm Mobile Phone/iPhone/Android : Electronics