The LINDY VoIP Mouse enables you to combine two of your most commonly used peripherals: your standard mouse and VoIP phone.
At first glance it's a normal USB optical mouse, however once you flip open the mouse it becomes a fully functioning VoIP phone with an easy to read LCD display. In phone mode the VoIP Mouse can be used held to your ear like a standard phone or, with the use of the supplied headset, handsfree. The integrated speaker delivers a ringtone when you receive a call. The VoIP Mouse is compatible with Skype, MSN, Yahoo Messenger and other VoIP applications to provide calls between PCs or from a PC to a landline or mobile telephone.
Core77 Design Blog