Check at following Merchants
Specifications
ManufacturerErgoguys
Part #CST1550
Tracking MethodTrackball
Connection TypeWired
Maximum DPI1600
Hand OrientationBoth
ColorBlack
Features
Drag Lock lets you drag and drop without holding down a button
Scroll feature allows effortless scrolling on web pages and large documents
The precision ground ball and mirror finished rollers deliver If smooth as silk feel and effortless control
Dynamic gain feature allows you to accelerate the cursor exponentially as you roll the ball faster. Roll the ball slowly for single pixel accuracy
