Plantronics M12 43596-14 Refurbished Headset Amplfier

Plantronics 43596-14 M12 Vista Multi-purpose telephone headset Amplfier with volume, headset/handset and mute controls Quick Disconnect Feature. The M12 Works with H-series Plantronics headsets: H141, H141N, H251, H251N, H51, H51N, H61, H61N, H261, HW261, HW261N, H261N, H51N, HW251, HW251N, H41, H41N, H81, H81N, H101, H101N, HW510, HW520, HW530, HW540, HW710, HW720, H91, H91N, H361,H361N, H351N, H171, H171N, HW301N  Also compatible with the NEW Addasound Crystal 2701, 2702, 2821, 2822, 2871, 2872 Headsets and more Connects with most single line and multi-line phones Adjustable incoming and outgoing volume control One-button selection of headset or handset operation, switch to handset and headset quickly! Closeout Pricing! REFURBISHED Backed by a 6 Month Warranty Replaced by the M22 M12 USER GUIDE  Plantronics Accessories Guide