The logitech wireless trackball m570 gives you a different kind of comfort. it stays in one place and supports your hand to let you work all day with ease.

Portable Finger Hand Held 4D Usb Mini Trackball MouseIt is ideal for laptop users.Specifications:Compatible with Windows95/ 98/ 2000/ ME/ XP/ NTUnit Dimensions: 3.15 x 2.05 x 1.97 inches (8 x 5.2 x 5cm)USB Cord Length: 73inches (186cm)Color : BlackHow to Use:Put your index or middle finger into the...

Descriptions:YUMQUA trackball mouse is perfect for mouse hand fatigue. It is off-table, without limitation by operation space and avoiding harm to wrist and muscle. The two dimensions and buttons are simply controlled by fingers.Looking for something a bit different in a mouse? It looks like a lame...

Features: Suitable for Tablet PC, Laptop, Desktop computer USB PORT, USB receiver is included FOUR GROUP DPI:400,600,800,100 Battery require: 1 x AAA Image® - is a registered trademark protected by the US Trademark Law. Image® products are sold by authorized sellers only

Product description Description: * Plug and play, easy to install * Wireless, with trackball, cool * Made of chart and won't block your of operating space * Scrolling function can be controlled simply by your thumb * USB 2.0 interface, plug and play, no software needed. * Special design, can preve...