1.USB port,plug and play

2.Round direction pad

3.Four axis 12 action buttons

4.Built-in motors,double shock function

5.Turbo design and slow action function

6.With the instrument image on the surface, novel and unique

7.Can be switched between digital mode and anologal mode,with LED indicator

8.Fully compatible with windows98/2000/ME/XP/NT/VISTA