***** Best Quality Guranteed. *****Compatible with following
Polycom phone models: VVX201, VVX300/310/311, VVX400/410/411, VVX500, VVX 600/601, SoundPoint 300 301 335 430 450 500 (rev. E or later) 501 550 600 601 650 670 And other
Telephone Models: Mitel 5312 5320 AVAYA 1408 1416 5410 ShoreTel 230 420 480 Aastra Allworx Adtran Alcatel Lucent AltiGen Comdial Digium Plantronics MiVoice.
*****Noise Canceling Microphone: Wideband Sound telephone headset RJ9 enables natural listening experience, features Noise Canceling Microphone to reduce background noise, Acoustic Shock Protection Circuit to protect your hearing.
*****Volume &Mute Control: Corded office phone headsets with in line volume control and mute button. Excellent for use with Call Center Service, Telephone Counseling Services, Insurance, Hospitals, Banks, Telecom Operators, Enterprises, Office landline phones.
*****Lightweight & Comfortable: Lightweight call center headset with super soft foam ear cushion, Precision d