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WIDE COMPATIBILITY: 【NOT for Cell Phones and Computers】 This corded RJ9 office phone headset is ONLY Compatible with Some Specific Phone Models from Plantronics Avaya Northern Telecom ShoreTel Allworx NEC Toshiba Digium Zultys InterTel Nortel Norstar Meridian Aastra Packet8. SEE MORE COMPATIBLE PHONE MODEL LIST IN DESCRIPTION.
CRYSTAL CLEAR CALLS: Wideband sound call center landline headset enables a clear listening experience, built in high quality noise cancelling microphone to reduce background noise, acoustic shock protection circuit to protect your hearing. Less noise, Clearer voice.
ALL DAY COMFORT: Super lightweight mono telephone headset with super comfortable fit and adjustable headband to fit all head sizes, high quality and soft leatherette ear cushion enhance all-day wearing comfort. Compete with Plantronics or Jabra heavy duty Headsets.
2-YEAR WARRANTY: 45 days money-back & 24 months warranty. Ideal for Call Center, Telephone Counseling, Insurance, Hospitals, Banks, Business, Office and Home. ONLY works for some specific phones with RJ9 jack listed in description. NOT for Smartphones and Computers. For other phones, pls contact us for compatibility advice.
ULTRA DURABLE: Precision design, quality plastics, uni-body headband construction, high quality microphone makes this hands free RJ11 headset with microphone sturdier and more durable. Professional Mic Mute / Volume Control built in.

This Telephone Headset only comes with RJ9 jack. It Only works for Landline Phones. Not for Cell Phone and Computer.
Attention: This RJ9 Phone Headset doesn’t come with 2.5mm jack, 3.5mm jack or USB jack.
Compatible Phone List (Include but not limited): DO NOT BUY THE ITEM IF YOU CAN’T FIND YOUR PHONE MODEL IN LISTS, CONSULT US FOR COMPATIBILITY ADVICE.
Compatible with:
Plantronics: A100 S10 S11 S12 S50 T10 T20 T50 T100 T110 SP-02 SP-04 SP-05 A100 T50 T100 PLX-400 PLX-500
AVAYA / Lucent: 6402D 6408D+ 6416D+M 6424D+M 8403 8410D 8434DX 4406D+ 4412D+ 4424D+ 4424LD+ 1120 1140 1165 1210 1220 1230 1408 1416 2410 2420 4610 4610SW 4612 4620 4620SW 4621 4621SW 4622 4622SW 4625 4625W 4630 4630SW 5410 5420 5610 562056215625 9404 9406 9408 9504 9508 DT1 DT3 DT5 QE4610
Note: Not for Avaya: J139, J169, J179 and 1608, 1616, 9608G, 9611G, 9620, 9621G, 9630, 9640, 9640G, 9641G, 9650, 16CC IP Phones Northern Telecom (Nortel Norstar): 1120E IP 1140E IP 1150E IP i2002 (ip2002) i2004 (ip2004 (not for i2400 phase II and i2004 POE ) 1210 1220 1230 2465 2564 NTZK23AA AB: (M2216):ACDI Vista Powertouch 480 480e 480i M2008 M2216 M2616 M3903 M3904 M3905 M7208 T7208 M7308 M7310 M7316 T7316 T7316E M7324 M7900 M8001 M8003 M9516 M9009 NT8B20 NT8B30 NT8B40 NT8B50 Meridian Option M3110 3310 3820
ShoreTel: IP100 IP212 212K IP230 IP265 IP530 IP560 560G IP565 IP565G IP655 420 480 480G 485
Allworx: IP 9112 9204 9212 9222 9224 NEC: Aspire Electra Elite IPK Dterm Series i DSX DTL DTP DTR DTU SERIES DT300 DT310 DT330 DT700 DT730 DT750