Callez RJ9 Telephone Headset for Yealink Avaya Wired Phone Headset with Microphone Noise Cancelling Compatible with Yealink T46S T48S T42S T21P T33G T27G T23G T46G T53W T54W Avaya 9611 9608 J179 Grand

Yealink IP Phones Compatibility: RJ9 office phone headset fits for Yealink T19(P)E2, T20P, T21(P)E2, T22P, T23P, T23G, T26P, T27G, T28P, T29G, T30, T30P, T31, T31P, T31G, T33P, T33G, T38G, T40P, T40G, T41S, T42S, T46S, T48S, T42U, T43U, T46U, T48U, T53, T53W, T54W, T57W, T58A, VP59, T41S SFB, T42S SFB, T46S SFB, T48S SFB, T55A SFB, T56A SFB, T58A SFB, MP56 etc.

RJ9 Headset for Multiple VoIP Phones: Wired telephone headset Compatible with Yealink All IP Phones, Avaya 1608 1616 9608G 9611G 9620 9630 9640 9641G 9650 J139 J169 J179, Grandsteam GXP 1400 1405 1610 1615 1620 1625 1630 2000 2120 2124 2130 2135 2170 280 285 GRP2613 GRP2604P GXV3005 3006 3240 3275 3370 and more desk phones listed in description. NOT FOR CELL PHONES OR COMPUTERS.

Crystal Clear Calls: RJ9 landline phone headset with a noise-canceling microphone to reduce background noise and delivers excellent sound quality. Flexible microphone boom captures sound well, plus acoustic shock protection circuit protects your hearing.

All Day Comfort: Super lightweight Yealink phone headset with adjustable headband to fit all head sizes, soft and high quality leatherette ear cushions enhances all-day wearing comfort. Feel no burden during long conference calls.

2-Year Warranty: Callez hands-free phone headset comes with 45-day money back and 24-month worry-free guarantee. Please check the compatibility list before purchasing. For Other Landline Phones, Please contact us for Compatibility Guide or Advice.