This is an antibacterial numeric keypad (for Windows) compliant with JIS Z2801, with an antibacterial agent kneaded into the material. ※This is a brand new, unopened product. 【Features】 Antibacterial action suppresses the growth of E. coli and Staphylococcus aureus. Includes a "TAB" key, convenient for spreadsheet software like Excel. Features the same 19mm key pitch as desktop keyboards. Includes a "00" key, just like a calculator. The familiar layout improves work efficiency. USB type, simply plug and play, no driver required. #NumericKeypad #SanwaSupply #usb #nt25ubk