Used and fully working Apple USB mighty mouse compatible with any Mac with a USB port. Although the track ball on the mouse is working smoothly, the design is prone to clogging through normal use and so degrading of the track ball movement would not be considered a product failure during warranty.
Condition : Grade-A
Grade-A means that although used, this part is in excellent condition for it's age and if there are any cosmetic blemishes, they will be very minor.
Part Number(s) : 661-4405, 661-3662, A1152
Warranty : 3months