AGPtek Hands-free Noise Cancelling Corded Binaural Headset Headphone with Mic Mircrophone for Call Center Phone Desk Telephone - 4-Pin RJ9 Crystal Head

Description:
* Keep your hands off the phone using this headset. You can increase productivity by working on your computer, taking notes, and handling other tasks - hands-free - while talking to your customers.
* Comfortable wear, compact appearance, human engineering design, can be uninterruptible using.
* The headset clip can be stretched freely and comfortable wear.
* Enjoy the benefits of completing calls faster and with less likelihood of errors.

Features:
Microphone type:electret condenser microphone(ECM)
Microphone sensitivity:40db±3db
Microphone voltage:2.0v
Receiver impedance:150±10 ohm

Package Included:
1* 4-Pin RJ9 Crystal Binaural Headset