OVHS072-NEC, OvisLink single ear is call center headset compatible with NEC desktop phones. It comes with noise cancelling microphone, flexible and Rotatable gooseneck metal microphone boom that user may place the headset speaker on the left or right ear anytime. The headset is in Over-the-Head style, with click-stop adjustable headband, smooth leatherette ear cushion, tangle-less headset cord. A quick disconnect cord with RJ9 connector is included. It connects the headset directly to NEC phone's headset jack. No need additional adapter. Headset volume, hold, mute and all other functions are controlled by corresponding buttons on the NEC phone's keypad. When used with NEC desktop phones, this headset gives premium voice quality without electronic noise and no static. Designed for call center agents and service agents who work All-Days on the phone, user may wear this headset all-days and feel comfort.

Compatible NEC Telephone models:
Desktop Telephone UT880
Desktop IP Terminal DT830, DT830DG, DT830CG
Desktop IP Terminal DT750, DT730
Desktop Terminal DT770GV
Desktop Digital DT430, DT330
NEC DTERM Series DTR-8D / DTR-16D / DTR-32D
NEC Aspire Phones 22-Button / 34-Button
NEC DSX Business Phone DSX 22B / DSX 34B
NEC SL1100 Digital Phone / NEC SL1100 IP Phone (IP4WW)

(* Not all NEC Business Phone models have fixed headset button. You may need to assign a headset button from the programmable key. Quick instruction inside the headset box.)
OvisLink also has dual ear model of NEC telephone headset. The model number is OVHS084-NEC, ASIN # B00K0YEAZM
OvisLink 2-Year Warranty Policy: You may send defective headset to OvisLink address (in U.S.A.) for repair anytime. Physical damage, devices damaged from lightning, flood, fire, electrical, water and software update, other "acts of god" are not covered