From adesso website:
PCK-308UB
Contoured Ergonomic Keyboard with Built-In Touchpad (USB)

MSRP $79.99

Introducing the new and improved Tru-Form™ Pro Keyboard by Adesso. The new Tru-Form™ Pro Keyboard is contoured and has a split key design for added ergonomic comfort and it includes a built-in touchpad that acts as your mouse. The touchpad also includes Left and Right mouse buttons providing full cursor features and a built-in wrist support for added comfort. The Adesso Tru-Form™ Pro also includes Multimedia and Windows hotkeys so you can instantly access your multimedia tools and popular Windows applications.