Speaker Mic Microphone for Motorola two Way Radio Walkie Talkie XPR3300e XPR3500e XPR3500 XPR6550 XPR3300 XPR3300e XIR P6620 XIR P6600 E8600 E8608 Mototrbo and more. Strong swivel clip to keep the speaker secured when not in use. Easy Push to Talk button Kevlar Reinforced PU cable & Durable Coil Cord, High Tensile Strength & Long-life Design High Quality Omni-Directional Microphone & Electret Speaker Enable Voice to Be Transmitted Clearly Even in Loud Environments Rugged Detachable (Replaceable) Swivel Clip & 3.5mm Audio Jack,The 3.5mm jack of this mic output MONO audio, it just support listen only earpiece.