Air Acoustic Earpiece for Motorola Radio HT1000 MTS2000 XTS3500 JT1000 MTX9000 Quick Disconnect Feature With extra Push to talk function on connector Works With .. MOTOROLA: XTS3000/Astro, XTS3500, XTS2500/XTS5000 and HT-1000 Series (HT-1000, MT2000, MTS3000, MTX8000, MTX838, MTX9000, MTX-LS, JT1000), GP900, XTS1500à etc. radio Features High quality acoustic ear-tube provides clear audio. Silicon ear tip helps to prevent background noise. Semi-transparent acoustic tube blends easy with skin color. Designed with extra large textured PTT button. Water-resistant (IP54) Ear microphone with high-impact housing. The Quick Disconnect adapter allows users to easily replace or alternate acoustic tubes for those users in multiple shift operations. It is also designed with a unique cable retention feature to eliminate strain on the earphone cable. There is extra ear-hanger to choose for fixing acoustic tube on ear. Designed for noisy environments, clear tube allows covert use for security, law enforcement and public safety applications.