915 Generation Portable Finger Hand Held 4D Usb Mini Trackball

Detailed information about the product：

It can be operated in various ways to ensure long-term use without harm to wrist or muscle
No limitation of operational space
Avoid sitting closely to the monitor and reduce the harm of radiation and eye fatigue
Plug and play ,no software required
Fits left and right handed users
It is ideal for laptop users.
Specifications:
Compatible with Windows95/ 98/ 2000/ ME/ XP/ NT
Unit Dimensions: 3.15 x 2.05 x 1.97 inches (8 x 5.2 x 5cm)
USB Cord Length: 73inches (186cm)
Color : Black
How to Use:Put your index or middle finger into the hole of this mouse.
Control the track ball for moving cursor and press the right and left button with your thumb
When using ""Drag and Go"" function, press the button in the hole of the mouse that has the same function as the left button of the common mouse
Use the left button to lock the screen and then you can control the track ball to roll your screen freely
Material: PVC silicone
Package Includes:1 x Hand Held 4D Usb Mini Trackball Mouse
Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
About Us
We provide the good product with the best price,we support Wholesale/Drop Shipping Order
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