The Microsoftcorporation has recently announced its wireless ergonomic keyboard 4000 from 31st August at a price of 13,440 Yen. Natural Ergonomic Keyboard 4000 can operate within range of 10m radius. The keyboard gives place for placing your palm. It equips hot key like the media control key and the zoom slider. The keyboard is trendy in looks and is indeed functional for it comes loaded with many features.