Adesso Mini-Trackball Keyboard (PS/2 White)

The Adesso Mini Trackball Keyboard is especially designed for Windows, it has built-in trackball for mouse emulation, 88/89 keys keyboard with embedded numeric keypad and 12 dedicated function keys, and Fully function of 104/105 keys.

Feature

* Designed for Windows
* Built-in trackball for mouse emulation
* 88/89 keys keyboard with embedded numeric keypad
* 12 dedicated function keys
* Fully function of 104/105 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

Specifications:

* Compatibility: IBM AT, PS/2, DOSV
* Key layout: 88/89 keys
* Operating temperature: 0 to 40 degrees Celsius
* Storage temperature: -10 to 60 degrees Celsius
* Operating humidity: 10% to 85% RH
* Switch life: 5 million life cycles
* Electronic data: Transmitter -- 3VDC 15mA; Receiver - 5VCD250mA
* Dimension : 13.3"(L) x 6.8"(W) x 1.3"(H)
* Weight: 1.9 lbs
* Connectivity: IBM AT, PS/2
* Compatible with Windows Vista, XP, 2000, ME, 98SE