Plantronics Computer/Phone Amplifier

- Mulitmedia amplifier (headset switcher)- Switch betweenheadset, telephone handset, computer audio, or other external audio device- Compatible with Sound Blaster sound cards, CD players, tape recorders- Sound compression protects against harsh noises (fax tones, etc.)- Improved incoming and outgoing sound- Incoming volume adjustment- Mute- Speech recognition compatible- Enables internet phone calls- Record and play messages andmusic- Enables call recording- Includes AC adapter (2 AA batteries can be used instead, not included)- Modular jack for phone connection-Audio device cable included- BlackADDITIONAL/REPLACEMENT PARTS:PL-ADAPTER: AC AdapterPL-43590-01: Battery door