"Plantronics SupraPlus HW251N/DA-M Microsoft Optimized Brand New Includes One Year Warranty, Product # 81360-41 The Plantronics HW251N/DA-M SupraPlus Wideband USB for Office Communicator is a monaural headset with the ability to combine a phone call with a Unified Communications application such as instant messaging or e-mail
The wideband audio gives clearer and more intelligible conversations so you can communicate more effectively. The HW251N/DA-M is trusted by office professionals for reliability and durability. Designed for over-the-head comfort, the Plantronics SupraPlus HW251N/DA-M wideband headset lets users choose between experiencing total-focus sound reduction (binaural design) or conversing easily with coworkers without removing the headset (monaural design). HW251N/DA-M Features: Over the Head HeadsetSingle EarpieceSupports Wideband VoIP Phones Noise-Canceling Microphone Quick DisconnectPadded Earpiece for Comfortable WearConnects To:"