*Discontinued*.  See Plantronics MX500i instead

Plantronics MX214I 3-in-1 Headset from Plantronics allows you to use this headset with your cellular phone, cordless phone, or with your computer; this means you'll only need to buy one headset for all of your at-home needs. The MX214I uses a 2.5mm adapter for your cordless and cellular phone, and includes a 2.5mm to USB adapter, allowing you to plug it into your computer.

This amazing headset features a comfortable Over-the-Head band that can be reversed easily. The built-in microphone volume switch lets you quickly optimize the volume of your voice. The in-line volume control lets you quickly increase and decrease earpiece volume. The noise-canceling microphone ensures your voice will be clear, even in noisy environments like your car on the freeway.