1 Wire D-Hook Earpiece with Inline PTT (Push to Talk) / Microphone: CRS-1WDH. The D-Hook earpiece is an extremely comfortable and non-intrusive earpiece.They are designed for use in any industry but are particular favorites in security, manufac..
1 Wire G-Hook Earpiece with Inline PTT (Push to Talk) / Microphone: CRS-1WGHThe G-Hook earpiece is an extremely comfortable and non-intrusive earpiece and there is no outer foam that requires replacement.They are designed for use in any industry but are..