MORESEC under $5 USB Trackball Mouse4D Scroll Portable Finger Handheld Optical Mouse for PC Laptop Computer, Ergonomic Thumb Control Design to Prevent Wrist Strain, Plug and Play USB 2.0

MORESEC under $5 USB Trackball Mouse4D Scroll Portable Finger Handheld Optical Mouse for PC Laptop Computer, Ergonomic Thumb Control Design to Prevent Wrist Strain, Plug and Play USB 2.0

Neu Finger HandHeld 4D USB Mini Portable Trackball Mouse PC Laptop Computer
Feature:
and high quality
Quantity:1pcs
Color:
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 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 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 screen roll
Package includes:
1 x track mouse(with retail package)