Multimedia hotkeys give you quick access to functions like media player, homepage, volume adjustment and more >Select low DPI for accuracy or high DPI for fast movement. You can instantly switch between 500 and 1000 DPI > Spill-resistant keyboard design, so you do not have to worry about the keyboard malfunctioning after accidental spills >With Rapoos latest energy saving technology, you can use your keyboard for up to 24 months and the mouse for 12 months without power interruption.