All the ergonomic benefits of a small form factor gel wrist pad, but with the added convenience and control of an embedded touchpad. Whether or not you are actively typing, the gel cushion pad will support your wrists and relieve pressure on the median nerve (the cause of pain in carpal tunnel and other RSI). iOne Libra 35T Touchpad is IBM compatible and nestles between the dual wrist rests — the trackball is low-profile and may be used for easy point, click, and drag operations in all Windows-OS software environment and others compatible OS.

Product Feature:
φ Smart Edge Touchpad
High reliable micro-switches
2 buttons mouse function attached
you could also use your finger tip to tap the touchpad. for ex: 2 taps = double click, 2 fingers tap = scroll
USB interface connector
800 dot per inch (DPI)

Specifications:
Designed to work with IBM PC compatible
Compatible OS: Windows XP / Vista / 7
Hardware Resolution : 800dpi
Operating temperature : 0℃ to 50℃.
Operating humidity : 10% to 85%
Supply voltage : 5 V±5%
Current consumption : Max 40 mA
Switch : 1,000,000 life cycles

System requirements:
IBM or compatible PC
Windows XP / Vista / 7
No driver needed under Windows XP / Vista / 7

Package contains:
Libra 35T Touchpad
User guide

Measurements:
Product Dimension: 12.5"(L) x 2.25"(w) x 1.25"(H) inch