Sanwa Supply Wireless Keypad and Mouse USB A Set, Quiet, Connection, Black, NT-WL23SETBK

It is a 2.4GHz wireless type that can be used without worrying about cables. You can use a mouse and numeric keypad simultaneously with one receiver. This is a quiet type with significantly quieter key touch noise than conventional pantograph keyboards. It is ideal for quiet offices and other places where input noise is a concern. It uses the same pantograph keys as a laptop. You can type comfortably even when pressing the edge of the keys. Speaker connection method: USB