Hands-free Call Center Noise Cancelling Mircophone

Notice: Not compatible with CISCO,Yealink,AVAYA 1600 9600 series,SNOM, Panasonic phones,if you use for these phones,pls leave a message or give comments. SEE COMPATIBLE PHONE LIST IN DESCRIPTION. ONLY work for Some Specific Phone Models from ShoreTel Plantronics Zultys Toshiba NEC Aspire Dterm Nortel Norstar Meridian Siemens ROLM Packet8. Polycom: SoundPoint 300 301 335 430 450 500 (rev. E or later) 501 550 600 601 650 670 CX300 CX500 CX600 CX700 VVX300 VVX310 VVX400 VVX410 VVX500 VVX600 VVX1500. ONLY BUY the item if you have one of phone models in the list. Noise-cancellingmicrophone filters out background noise, so voice transmission is exceptionally clear. Flexible boomallows the mic to be positioned for optimal comfort and voice transmission. Swing-away feature lets you move the mic out of the way for beverage breaks.