Pair of 2 Ball Mice to be used with Vintage Computers (Used, Good Condition)

Due to this being used hardware that is rather old, be aware that it may not work as intended and there is no real way for me to test it to find out if that is the case. Because of this this, by buying this hardware, you gain all responsibility for issues in regard to the it and compatibility with your computer. I apologize for any inconvenience this may cause you should you purchase this hardware.