With the ultimate comfort and flexibility in mind, the Pliant Technologies PHS-IEHU-DMG MicroCom In-Ear Universal Fit Electret Headset features a dual 3.5mm connector that can be used with all MicroCom beltpacks. The headset not only provides great comfort but also flexibility by utilizing silicone ear concha locks and ear buds for ether left ear or right ear orientation. In addition, the in-ear headset is compatible with applicable PTT adapters (PAC-PTT-DMG or PAC-PTT-TA6F) and also supports custom ear molds specifically designed for a individual user's ear from custom ear mold manufacturers Sensaphonics and Coda Room Audio.