Headset for Landline Single Ear Noise Canceling Microphone Headphones for RJ9 Call Center Phones with Mic Mute Compatible with Oki Plantronics Polycom

【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.

【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary.

【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product.

【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. [Clear Calls] Business-grade broadband audio 4-pin RJ9 landline headset with noise-cancelling microphone, can make clear calls. Acoustic impact protection (ASP) protects your hearing. [Compatible Phones] [Does not apply to mobile phones and computers]. See list of compatible phones in description. Direct-attached phone headsets are only compatible with certain phone models from Avaya Plantronics Polycom Zultys Gigaset NEC Mitel Alcatel Hitachi Toshiba Oki Electric Fujitsu. Compatible with NEC: Aspire Electra Elite IPK Dterm Series i DSX DTL DTP DTR DTU SERIES DT300 DT310 DT330 DT700 DT730 DT750 Dterm Series E 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 【2 YEAR WARRANTY AND COMPATIBILITY NOTE】45 days money back guarantee and 2 years quality guarantee. Compatible only with the specific phone models listed in the description (including, but not limited to). For other phones, please contact us for compatibility guide or advice. Mobile phones and computers are not eligible. 【Comfortable Headset】: Ultra-light wired hands-free RJ9 office phone headset, with adjustable headband, suitable for all head types, high quality and soft ear pads, can be worn all day long, very comfortable. *Note: [About the three included adapters: If the adapter on the headset itself cannot be used normally, it may not be compatible with your phone. Use one of the three adapters. Connect it to the adapter on the headset body, then insert it into the phone interface. ] 【High Durability】: Precise design, high quality plastic, unibody headband structure and flexible microphone make this call center telephone headset with RJ9 jack more sturdy and durable. Suitable for call centers, telephone counseling services, hospitals, offices, residential, insurance, business, schools and banks. You can compare it to high-end office headsets such as Jabra or Plantronics. Please note: This headset only works with landline phones that have an RJ9 jack, not with smartphones or computers. (2.5 mm plug, 3.5 mm plug, or USB plug are not included in the package). If you cannot find your phone model in the list, please do not purchase the product. Please contact us for compatibility advice. Compatible phone list (includes, but is not limited to): NEC: Aspire Electra Elite IPK Dterm Series i DSX DTL DTP DTR DTU SERIES DT300 DT310 DT330 DT700 DT730 DT750 Dterm Series E 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 HITACHI Hitachi Selecct 200,300,400,720,730,740 NAKAYO Nakayo IWATSU Iwasaki Tsushinki IX 12KDT-3 24KDT-3, XF-5800F 5810 5900 5910 5930 TOSHIBA Toshiba: DKT-3001 DKT-3010S DKT-3014SDL DKT-3020S DKT-3020SD (Requires "BHEU adapter" sold by Toshiba. plug. ) Strata CIX DP5022F-SD DP5023-SD DP5018-S DP5000-Series OKI Oki Electric Industry 3532 FUJITSU DT10 DT100A DT101B AVAYA / Lucent: 6402D 6408D+ 6416D+M 6424D+M 8403 8410D 8434DX 4406D+ 4412D+ 4424D+ 4424LD+ 1120 1140 1165 1210 1220 1230 1408 1416 3904 3905 7208 7316 9404 9406 9408 9504 9508 2410 2420 5410 5420 5610 5620 5621 5625 DT1 DT3 DT5 QE4610 4610 4610SW 4612 4620 4620SW 4621 4621SW 4622 4622SW 4625 4625W 4630 4630SW AudioCodes 310HD 320HD 350 405HD 420HD 430HD 445HD 450HD Plantronics: A10 0 S10 S11 S12 S50 T10 T20 T50 T100 T110 SP-02 SP-04 SP-05 A100 T50 T100 PLX-400 PLX-500 Polycom: SoundPoint 300 301 335 430 450 500 (rev. E or later) 501 550 600 601 650 670 CX300 CX500 CX600 CX700 VVX300 VVX311 VVX310 VVX400 VVX401 VVX410 VVX411 VVX500 VVX501 VVX600 VVX1500 Zultys: ZIP 59i 55i 53i Packet8: 6753i 6755i 6757i Gigaset: DE310 DE410 DE700IP DE900IP Alcatel-Lucent: 4004 4020 4022 4035 4037 Mitel: 5000 5010 5020 5040 5055 5140 5201 5205 5207 5210 5212 5215 5220 5224 5230 5235 5240 525 0 5312 5320 5324 5330 5340 5550 SuperSet 4015 4025 4125 4150 AltiGen: 500 510 600 705 710720