Check at following Merchants
Specifications
ManufacturerAdesso
Part #ACK-5010UW
StyleMini
MechanicalNo
BacklitNone
TenkeylessNo
Connection TypeWired
Normal Keys89
ColorWhite
Mouse IncludedTrackball
Mouse Hand OrientationRight
Features
Designed for Windows
Built-in trackball for mouse emulation
88/89 keys keyboard with embedded numeric keypad and 12 dedicated function keys
Trackball:
Resolution: 200 DPI (X, Y Axis)
Signal output: Shift Sin wave (X, Y Axis)
Phase shift: 90 + 45 degrees
Tracking speed: 250mm/sec
