Aoc Finger Hand Held 4D Usb Mini Trackball Mouse

This Mouse' biggest feature is that you can take away from the desktop in your hand, in the air operations, with no restrictions ,and you can operate in the car ,bed, Aircraft and comfortably

put your index finger or middle finger into the ring, the trackball with your thumb to move your cursor and the operation of the former left, the former right, if you  drag and drop , you can use the ring inside the button, this button functions is the same with left key .You can hold down the Control key and drag the direction of the thumb to perform the drag function.

4D features, as long as you can gently press left side just locks the screen surface.

Up and down the screen with a trackball to control,no need to roll Scroll

Patented design, innovation input devices, and no action from the table space constraints

Simple manipulation of the thumb can be used, 4D scrolling function can avoid the wrist and muscle injuries

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

Cord length: 1.5 m

Size: 8cm * 4cm * 5cm

Weight: 110g

USB Universal Interface

Color: Black, White