Avaya Compatible Headset XS 820 w/Mute | Avaya IP Phones: 1608, 1616, 9601, 9608, 9610, 9611, 9611G, 9620, 9620C, 9620L, 9621, 9630, 9640, 9640G, 9641, 9650, 9650C, 9670, J139, J169, J179 BUNDLE OF 2 ITEMS: XS 820 Mono Headset, Avaya Telephone Interface Cable with Mute Button (RJ-9/RJ22) PREMIUM SOUND: High quality audio speakers. Lightweight headset (only 2 ounces) ERGONOMIC QUICK-DISCONNECT: for easy unplug and disconnect with an in-line Mute button - 8ft cord length. This new cord design allows Avaya user greater flexibility and convenience. Unlike most other Avaya or Plantronics cables that require a separate mute accessory this new cable has a built-in mute button. Additionally you no longer need to reach for the telephone's mute button. A great time saver for users that are on the phone all day long. ALL-DAY COMFORT: Pillow soft leatherette ear pad for all-day usage DURABLE HEADSET CONSTRUCTION: for telephone intensive users, help desk, call centers and home office users