Classic Monaural Headset, Traditional style design, cost effective superior durable headset is focusing on Telemarketing service. The superior durability of the INNOTALK Classic headset provides long lasting value under the most telephone-intensive conditions and cost-effective solution to customer call center. The included virtual RJ9 cord has an 8-Position selector switch, providing compatibility to work with most phones. Plus, Like the Jabra GN1200 smart code, switch positions 6 to 8 can double loud your voice to the other side. Easily stay-put click-stop headband and soft Rubber T-bar supports all-day long comfortable wearing. With your office phone system, Static shock protecting Noise cancelling microphone delivers reduced background noise in noisy office while enjoy additional productivity keeping both hands free. The flexible goose-neck microphone boom allows you to get an optimal positioning from the mouth and the large ear cushion blocks surrounding noise outstanding, so you and your callers will hear conversations clearly. INNOTALK Classic headset compliance with stands for Restriction of Hazardous Substances(RoHS) and adopts Acoustic shock protection preventing receiver from high intense freak bursts of sound in short duration that delivers decreased errors, repeats and listener fatigue.