This 3-wire surveillance kit features an in-line barrel-style push-to-talk button and microphone with a 3.5mm port to plug in Apple earphones or any 3.5mm audio accessory. Perfect for undercover agents who want to look like they're listening to music or talking on the phone when really they're talking on their radio. 

Compatible with the following radio: Motorola XTS 2500, XTS 3000, XTS 3500, XTS 5000, XTS 3000Astro, XTS 1500, PR1500, GP900,  GP9000, HT1000, JT1000, MT2000, MTS2000, MTX8000, MTX838, MTX 900, MTX9000, MTX960, MTX-LS.