Brand: Callez

NOTICE:

This headset is a 4-Pin RJ9 Crystal Jack Telephone Headset, it only works for landline phones, NOT for Smartphones and computers.

Compatible Phone List (Include but not limited):

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

Compatible with Polycom: SoundPoint 300 301 335 430 450 500 (rev. E or later) 501 550 600 601 650 670 CX300 CX500 CX600 CX700 VVX300 VVX310 VVX400 VVX410 VVX500 VVX600 VVX1500...

AVAYA / Lucent: 1120 1140 1165 1210 1220 1230 1408 1416 2410 2420 4406D+ 4412D+ 4424D+ 4424LD+ 4610 4610SW 4612 4620 4620SW 4621 4621SW 4622 4622SW 4625 4625W 4630 4630SW 5410 5420 5610 5620 5621 5625 6402D 6408D+ 6416D+M 6424D+M 8403 8410D 8434 9404 9406 9408 9504 9508 DT1 DT3 DT5 QE4610

NEC: Electra Elite IPK Dterm Series E models DTU-8 DTU-8D DTU-16 DTU-16D DTU-32 DTU-32D DTP-8 DTP-8D DTP-16 DTP-16D DTP-32 DTP-32D DTH-8 DTH-8D DTH-16 DTH-16D DTH-32 DTH-32D DT300 DT310 DT330 DT700 DT730 DT750 Dterm Series i DSX DTL DTP DTR DTU SERIES PHONES Aspire

Aastra: 2465 2564 480 480e 480i 51i 53i 55i 57i 57iCT 554 564 565 i733 1120e 1140e 1150e 1210 1220 1230 i2002 i2004 i2004 IP i2004 Phase II i2052 7406 8540 9617 6730i 6731i 6739i 6751i 6753i 6755i 6757i 6757i CT 7446i 9112i 9133i 9116 9143i 9480i M2216 (ACD I or ACD II) M3905 M4000 M4020 M7208 M7308 M7310 M7316 M7324 M4000 M4020 M5208 M5209 M5216 M5317 M7900 M8001 M8003 M9009 M9516 Powertouch 480 480e 480i Telephones i2002 i2004 i2004 IP (not compatible with i2400 phase II and i2004 POE phones) Dialog 4222 4223 4224 4225

Northern Telecom (Nortel Norstar Meridian IP Phones): 1120E IP 1140E IP 1150E IP i2002 (ip2002) i2004 (ip2004 (not compatible with i2400 phase II and i2004 POE phones) 1210 1220 1230 2465 2564 M2008 M2216 M2616 M3903 M3904 M3905 M7208 T7208 M7308 M7310 M7316 T7316 T7316E M7324 M7900 M8001 M8003 M9516 M9009 NT8B20 NT8B30 NT8B40 NT8B50

• ?RJ9 JACK HEADSET COMPATIBILITY?: See Compatible VoIP Phone List in Description. Direct connect over the head landline telephone headsets with microphone, COMPATIBLE with Plantronics Aastra ShoreTel Mitel NEC Allworx Nortel Norstar Toshiba Gigaset InterTel Siemens, Polycom: SoundPoint 250 300 301 335 430 450 500 501 550 560 600 601 650 670 CX300 CX500 CX600 CX700 VoIP VVX300 VVX310 VVX311 VVX330 VVX400 VVX410 VVX411 VVX500 VVX600 VVX1500 and more specific landline phone models listed in description.
• ?CRYSTAL CLEAR CALLS?: High sound quality RJ9 Call Center VoIP Phone Headset with Microphone enables excellent sound quality for natural listening experience, features Noise Cancelling Microphone to reduce background noise, Acoustic Shock Protection Circuit to protect your hearing. Less noise, Clearer voice.
• ?ULTRA COMFORT?: Ultra lightweight wired Hands-free RJ9 Telephone Headset compatible with Meridian Digium Avaya Aspire Dterm Desk Phones with adjustable headband to fit all head sizes, high quality and soft leatherette ear cushion enhance all-day wearing comfort. Professional Mic Mute/Volume Control built in. Compete with Jabra business-grade Telephone Headphones.
• ?QUICK DISCONNECT CORD & SUPER DURABLE?: Quick Disconnect(QD) feature enables you to walk away from the desk without taking headset off. Precision design, quality plastics, unibody headband construction, flexible mic boom makes this office phone headset with RJ9 jack sturdier and more durable. Ideal for Call Center, Office, Home, Hospital, Insurance, Business, School, Bank, Telephone Counselling Services.
• ?2-YEAR WARRANTY & COMPATIBILITY NOTES?: We offer 45 days money back & 24-month worry-free guarantee. THIS HEADSET DOESN’T WORK FOR SMARTPHONES AND COMPUTERS. ONLY COMPATIBLE with some specific phone models listed in description (include but not limited). For Other Landline Phones, Pls contact us for Compatibility Guide or Advice.