Volume and Mute Switch Headset USB Headset Mono with Noise Cancelling Microphone Office Headset for Computer and Laptop Skype SoftPhone

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??3db Microphone voltage:2.0v Receiver impedance:150??10 ohm Package Included: 1 X Cord with USB Plug Monaural Headset 1X User Manual