Teissuly Ergonomic Handheld Trackball Mouse Wired Mini USB Portable Finger Travel Computer Right Left Handed Mice for PC Laptop Mac Window OS Linux Unix

Teissuly Ergonomic Handheld Trackball Mouse Wired Mini USB Portable Finger Travel Computer Right Left Handed Mice for PC Laptop Mac Window OS Linux Unix
Neu Finger HandHeld 4D USB Mini Portable Trackball Mouse PC Laptop Computer
Feature:
new and high quality
Quantity:1pcs
Color: Black
Usb-2.0-schnittstelle, plug and play, no need to install any software
4D page scrolling function can be controlled by a thumb
Special designs that can damage and avoid muscle in the wrist
Small in size, light in weight, easy to carry
Suitable for left-handed and right-handed users
all of the operating system windows and, Unix, systems, etc.
Resolution: 800DPI
The length of 2 meters
Product size: 7.5cm * 6cm * 4.5cm;
How to use:
Put your finger or middle finger in the hole in the mouse.
Control the ball to move your cursor, then press the right button to use your thumb.
In the use of drag and drop functions and CRP, press the button in the hole in the same function of the mouse, the left mouse button together
Use the left button to make the screen lock, and then you can control your track ball screen roll
Package includes:
1 x track ball mouse(with retail package)