Check the listing for details. Logitech Cordless Mechanical Ball Desktop Mouse M-RP67 W/ Adapter UNTESTED Read. Listed at 10.97 USD. The Logitech Cordless Mechanical Ball Desktop Mouse M-RP67 is a vintage computer accessory that operates on a cordless mechanical ball mechanism. The mouse comes with an adapter and is from the trusted brand Logitech, known for its quality and reliability in the world of vintage computing. This mouse is ideal for those looking to add a piece of nostalgia to their vintage computing setup, but please note it has not been tested for functionality. The batteries have exploded and need a cleaning. Selling everything AS IS and UNTESTED! Again, needs to be cleaned out and tested for functionality. There are some other signs of cosmetic wear as well including some fading to the top side of the mouse itself. Check out the photos for the condition.