TelPal Telephone Headset, Hands-Free Call Center Noise Cancelling Corded Binaural Headset Headphone 4-Pin RJ9 Crystal Head Mic Microphone Desk Phone -Telephone Counseling Services,Insurance, Hospitals

* [Upgraded Version with an Adapter] Phone Headset With Landline Telephone Jack:4-pin RJ9 plug/connector, for telephones/phone use only, cannot for mobiles, computers ,PC, answering machine, faxes or other devices. * Telephone headsets for office/home landline phones: Perfect for working at home & office for job of sales, call center, phone marketing, online education, trainning, after sale service, to free hands from work; Superior quality and clear voice sound with the flexible adjustable noise cancellation microphone.Hearing protection technology adopted for care of the user's hearing. * A comfortable 70% noise cancelling headphones with mic and adjustable: compact appearance, soft ear cushion, human engineering design, Can be uninterruptible using. The headset clip can be stretched freely and comfortable wear. Please kindly note that it is not completely noise cancelling, but 70% of the background noise could be reduced for a better voice talking. * Fantastic customer service experience. Full refund if...