The Plantronics EncorePro HW510V headset is a lightweight, economical, over-the-head design. The EncorePro HW510V headset has one ear pad which can be easily switched from right to left ear. The voice tube microphone assures world-class voice clarity. Comes with Plantronics Quick Disconnect™
feature which acts like an on-hold function if you need to walk away from your desk while still wearing your headset. This complete package comes with the Plantronics M22 Vista amplifier which connects the HW510V headset to your telephone. The M22 Vista is compatible with most single- or multi-line corded desk telephones. Runs on two AA batteries (included) or optional A/C adapter (sold separately). Covered by 2-year Plantronics warranty. Click photo to enlarge.