The Targus USB Notebook Mouse Internet Phone is a portable accessory that works as both a notebook mouse and a USB phone. Compatible with MSN, Yahoo, Google, Skype and Vonage.This product has 2 operating modes: mouse mode and phone mode. Mouse mode works exactly like a standard 3-button USB optical mouse whilst phone mode is activated when the phone rings through the mouse to answer the incoming call. When the phone rings simply press the answer key and pick up the mouse/phone to answer the call or indeed press the scroller wheel to activate the speakerphone.A built-in headphone connection is also provided if the user prefers to use a headset. Specifications:

Device Type: Mouse

Connectivity Technology:Wired - USB

Movement Detection Technology: Optical

Resolution:800 dpi

Buttons Qty:3

Features:Scrolling wheel, volume control, built-in microphone, built-in speaker, built-in internet telephone

Cables Included:1 x USB cable - integrated

Manufacturer Warranty:2 years warranty