Laptop PC Computer Optical Hand-Held USB Trackball Mouse Mice Win 7 OS

Laptop PC Computer Optical Hand-Held USB Trackball Mouse Mice Win 7 OS

Feature:

100% and high
quality



Quantity:1pcs



Color: Black



Cable grip / desktop
dual-purpose track mouse, ergonomic design, comfortable, grip roll a
trackball to move the cursor in the hands of the thumb, without



supporting plane, sitting
position can be adjusted, or like an ordinary optical mouse placed used on
the desktop.



The use of two methods can
be used alternately, can greatly ease the long-term use of the mouse caused
by the wrist and cervical pain, prevent the mouse.



USB interface, plug and play



Compatible with all of the
operating system windows and Linux, Unix, Mac systems, etc.



Resolution: desktop 1600DPI,
track ball 1200DPI



The length of 2 meters



Product size: 10.5cm * 6.5cm
* 5cm;

Package includes:

• 
  

  1 x track ball mouse(with
  retail package)

  
  

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