51mm Large Trackball Mouse Libra-90 PS/2 Connection USB Adapter Included (Sanwa Supply TB-200 Series OEM Product) New, Unused [Included Items] ・Mouse Body ・Palm Rest ・PS/2 to USB Adapter ・Original Box [Condition] New, unused. Several in stock, so please consider the images as reference. If you need multiple units, please let me know via the question box. [Shipping] The original box will be wrapped in air-cushion packaging for shipping. Instant purchase OK