The Plantronics Mda200 Usb Multi-Device Adapter has the following features;

• Enables you to use your computer USB headset or adapter with your desk phone.
• Enables you to switch between PC and desk phone calls
• Compatible with any Platronics USB headset (e.g., Blackwire series or .Audio series), Bluetooth USB adapter (e.g., Voyager Pro UC), or any H series headset with a DA series USB adapter
• Plug-and-play
• Wideband/stereo audio support
• Use with a Plantronics Electronic Hookswitch (EHS) cable or HL10 handset lifter to answer/end desk phone calls from your headset
• Upgradable firmware