Plug and Play, easy to install

Wireless, With trackball

Off table and without limitation of operational space

Scrolling function can be controlled simply by your thumb

USB 2.0 interface, plug and play, no software required
With the function of laser pointer(red light),good for teaching

 

Special design, can avoid the harm on your wrist and muscle, greatly reduces 

discomfort for Arthritis and CTS suffers

Easy to use - left or right hand, or cradled between both

Ideal for both laptops and desktops

Place end of index or middle finger on trigger button & thumb on roller ball

 

 

Suitable for Tablet PC & Laptop & Desktop computer

USB PORT, USB receiver is included

FOUR GROUP DPI:400,600,800,1000 

Built-in rechargeable battery

Charging:battery

 

 

1 x Wireless Finger HandHeld USB Mouse Mice Trackball Mouse

1 x USB receiver

1 x bag