Earphone microphone for intercom PTT switch microphone with 360-degree rotating clip. - Model name: FIELD GEAR Earphone Clip Microphone - Features: 360-degree rotating clip - Connection terminal: 3.5mm jack - Switch type: PTT switch - Accessories: Sponge cover I bought this new intending to use it, but I changed intercoms, so I only opened and checked it, and it has been stored for about a year without use. Two unused sponge covers for the earphones are also included. I am also listing a different type. Please ask any questions you may have.