***** **********Best Quality Guranteed. *****Professional Binaural headset with Noise cancellation and Acoustic shock protection circuit for noise environment users. Very endurable and comfort designed for call center and office users. *****3 Year warranty. Flexible microphone boom arm with 270 degree rotation of selective wearing for left or right ear. *****Ergonomic curved headbands for comfort wearing with smooth click stop for adjustment and strong connection between headband and speaker body. *****U10 Bundble cable works with CISCO IP 6921 6941 6945 6961 7931G 7940 7940G 7941 7941G 7942G 7945 7945G 7960 7960G 7961 7961G 7965G 7970 7970G 7971G 7975G 8941 8945 8961 9951 9971*****Interquartz IQ260 IQ330 IQ331 IQ333 IQ333D IQ333EHS IQ360 IQ560E IQ750EHS *Compatible with Plantronics H series Headset.
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