Product name:mechanical trackball mouse
Trackball diameter:50.8 mm
Interface:USB or PS/2 interface
Dimensions:88.0mm x 88.0mm (top panel)
Interface:PS2, USB available
Material:stainless steel
Material:Metal stainless steel
Colour:Brushed stainless steel
Trackball version:Mechanical trackball
Product name:Optical trackball
Trackball diameter:38.0 mm
Interface:USB or PS/2 interface
Product name:Optical trackball
Trackball diameter:25.0 mm
Interface:USB or PS/2 interface
Resolution:+400 DPI
Ball diameter:38.0mm
Interface:PS2, USB are available
Resolution:400 DPI
Ball diameter:38mm/1.50"
Interface:USB
Colour:White
Trackball diameter:50 mm
Interface:USB or PS/2 interface
Plate:rugged black color aluminum mounting plate
Colour:Black
Trackball:OTB
Material:aluminum mounting plate
Colour:Black
Trackball:OTB
Key:2 or 3 keys, quality brushed stainless steel
Key top style:sealed round stainless steel buttons with tactile feeling
Front Plate:Quality brushed stainless steel
Dimension:107.0mm x 120.0mm x 52.1mm ( L x W x H)
Trackball Resolution:800DPI
Trackball diameter:19mm, 25mm, 38mm 50mm also available
