VoiceJoy Corded Noise Cancelling Monaural Headset with USB Headset Adapter as Office PC Headset for Computer/PC/Laptop Use Only

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. Enjoy the benefits of completing calls faster and with less likelihood of errors. This headset model offers a substantial increase in comfort and productivity over a handset. The most cost-effective headset solution. Specification: Microphone type:electret condenser microphone(ECM) Microphone sensitivity:40db¡À3db Microphone voltage:2.0v Receiver impedance:150¡À10 ohm Package Included: 1 X USB Plug Monaural Headset 1X User Manual