Compatibility Compatible with Midland GXT,LXT and G-series Models Radios:G-225, G-226, G-227, G-300, G-300M, GXT250, GXT255, GXT300, GXT325, GXT400, GXT444, GXT450, GXT500, GXT550, GXT555, GXT565, GXT600, GXT635, GXT650, GXT656, GXT661, GXT700, GXT710, GXT735, GXT750, GXT771, GXT756, GXT757, GXT800, GXT808, GXT850, GXT881, GXT720, GXT775, GXT900, GXT950, GXT740, GXT785, GXT1000, GXT1050, LXT210, LXT216, LXT310, LXT410, LXT300, LXT303, LXT305, LXT315, LXT320, LXT350 Acoustic tube earpiece adopted high quality electret speaker, you can hear crystal clear sound in noise environment. Not muffled no crackling. Sensitive PTT&MIC, omni-directional condenser microphone which can produce high quality sound even in loud environments. Reinforced TPU cable with Kevlar fiber with high strength and durability. With VOX. Package incluede:1 headset Compatibility Compatible with Midland GXT,LXT and G-series Models Radios:G-225, G-226, G-227, G-300, G-300M, GXT250, GXT255, GXT300, GXT325, GXT400, GXT444, GXT450, GXT500, GXT550, GXT555, GXT565, GXT600, GXT635, GXT650, GXT656, GXT661, GXT700, GXT710, GXT735, GXT750, GXT771, GXT756, GXT757, GXT800, GXT808, GXT850, GXT881, GXT720, GXT775, GXT900, GXT950, GXT740, GXT785, GXT1000, GXT1050, LXT210, LXT216, LXT310, LXT410, LXT300, LXT303, LXT305, LXT315, LXT320, LXT350