ExpertPower® 2-wire Surveillance Earpiece PTT Mic for Motorola HT1000 JT1000 MT2000 GP900 GP9000 MTS2000 MT6000 MTX838 MTX900 MTX1000 MTX8000 MTX9000 MTX-LS XTS2000 MTX2500 XTS3000 XTS3500 XTS5000 XTS5100 XTS7700
The earpiece and mic work exactly like advertised. I have been using it for almost a month now and have not had any problems. I used to have an expensive one that broke about a week into it and got my money back to buy this. The sound is actually better in this one.