2) 3 buttons3) 400/800dpi4) interface: USB, PS/2 and combo optional5) super long working life6) can work on any surface, including wood and plasticInner packing:1pc/boxBox size:130 x 90 x 45mmOuter packing:100pcs/CTNCarton dimensions:465 x 275 x 475mmN. W.:16.8kgG. W.:17.8kg
Wired 3D Ball Mouse