Пре­об­ра­зуй­те, если это не­об­хо­ди­мо, слово ONE так, чтобы оно грам­ма­ти­че­ски со­от­вет­ство­ва­ло со­дер­жа­нию тек­ста.

A cleaning wand is a totally new invention. It features the advanced UV-⁠C technology that helps to kill bacteria and germs. It's the __________________ ever cleaning device you can literally take anywhere.