Mactrem Black Rapoo 9060 2.4GHz Wireless 5.6mm Ultra-Slim Blade Keyboard With Mouse Optical Combo 5.6mm at thinnest ,scissor key structure and stainless steel plate,brings you comfortable tactile. Fn key gives you quick access to media player,homepage,volume adjustment and etc. Enjoy accurate and smooth cursor control with the 1000 DPI high-definition invisible tracking engine. Ultra-small Nano receiver So small and unobtrusive, you can plug it into a USB-port and forget about it. No more worries about lost receivers With Rapoo's latest energy saving technology and power switch, you can use your keyboard for up to 24 months and the mouse for 18 months without power interruption.