Headset Converter Audio Adapter for Motorola GP328 GP340 GP380 HT750/1250 Radio Features: 1, Adjust the multi-pin audio accessory connector of your radio to use a two-pin connector Made of durable high-strength polycarbonate and rubber 2, Use the mounting screws to lock the radio, when the audio accessories are not used, the rubber gasket seals and protects the microphone connector 3. Headphone audio accessory adapter with Motorola two-pin plug 4, Just plug and use, easy to use. 5, With this adapter, it allows you to use normal 2-pin Motorola earpieces and speaker mic. Specification: Material: Plastic and Metal Plug: 3.5 mm / 2.5mm 2 Prong plug jack Compatible Model: for Motorola GP series: GP140, GP320, GP328, GP329, GP338, GP339, GP340, GP360, GP380, GP640, GP650, GP680, GP1280 for Motorola HT series: HT750, HT1250, HT1250LS, HT1500XLS, HT1550 for Motorola MTX series: MTX850, MTX850LS, MTX950, MTX960, MTX8250, MTX8250LS, MTX9250 for Motorola PR860 series: PR860 for Motorola PRO series: PRO5150, PRO5350, PRO5450, PRO5550, PRO5750, PRO7150, PRO7350, PRO7450, PRO7550, PRO7750, PRO9150 for Motorola PTX series: PTX700, PTX760, PTX78 for Motorola TETRA MTP810Ex for Hytera / HYT TC-980 Package list: 1 x Audio Adapter for Motorola Radios