The Blackwire C620-M by Plantronics is a USB binaural headset that was optimized to work in conjunction with Microsoft Lync. With its inline volume controls and support for wideband audio, the C620-m is designed for comfortable pleasantly fitting all day use.
IGW rout Bangla tac, Novotel, Mirtelecom,BTCL good rout qulity ACD 8+ ASR 70% a2z rout low price india, pakistan and bangladesh white rout mail id-farhad_bsc@yahoo.com