Product Feature:
52mm Opto-mechanical trackball
3 standard mouse buttons
High reliable micro-switches
Removable wrist rest pad
PS/2 default with USB adapter
Specifications:
Designed to work with IBM PC compatible
Compatible OS: Windows XP, Vista, Windows 7
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
FCC, CE, ESD and BSMI certification
System Requirements:
IBM or compatible PC
Windows XP, Vista, Windows 7
No driver needed, plug and play
Package Contains:
Libra 90 Trackball
Wrist pad
Product Measurements:
Dimension: 5.75"(L) x 7.75"(w) x 2.5"(H) inch (With Wrist pad)
5.75"(L) x 4.75"(W) x 2.5"(H) inch (Without wrist pad)
Packaging Information:
Item per master carton: 20
Color retail box
Mechanical Keyswitch