Plantronics M10 Multi Purpose Headset Amplifier

Plantronics M10 Multi-Purpose Telephone headset amplifier Volume, headset/handset & mute controls Connects with most single line and multi-line telephones The M10 works with all Plantronics H series headsets such as: 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  and Addasound Crystal 2701, 2702, 2821, 2822, 2871, 2872 Headsets Adjustable incoming and outgoing volume One-button selection of headset or handset Includes connecting cords, and batteries AC Adapter sold separately REFURBISHED Backed by a 6 Month Warranty M10 Product Sheet Plantronics Accessories Guide