Off table and without limitation of operational space.
4D page scrolling function can be controlled simply by your thumb.
Features 3-button design with trackball.
USB 2.0 interface, plug and play, no software required.
Special design, can avoid the harm on your wrist and muscle.
Easy to use - left or right hand, or cradled between both.
Mini size, light weight, easy to carry.
Ideal for both laptops and desktops.
Weight: 110.21 g
Size: 1410.85.7 cm
1 × Portable Finger Hand-Held 4D USB Mini Trackball Mouse