Waterproot mouse can use in water or moist

              501-1000PCS           USD6.00/PC

              201-500PCS            USD7.00/PC

             101-200PCS            USD9.00/PC

             21-100                    USD13.50/PC

Resolution:1600 dpi
Port:USB, Combo
Button life: more than 3 000 000 times.
Compatibility: Win95/98/2000/ME/XP