2.4GHz Wireless Compact Keyboard with Optical Trackball and Scroll Wheel
Compact Keyboard - USB 2.4GHz RF Wireless Connectivity - Nano Transciever - 16 HotKeys - 800dpi Optical Trackball - Scroll Wheel - Black/Grey Colour - Windows / OS X Compatible - 3 Year Depot Carry-In Mfg. Warranty