2.4Ghz Wireless ConnectionStable and reliable connection of wireless keyboard and mouse is up to 10m(33ft). This combo share a nano USB receiver, no need to take upadditional USB ports (Also the wireless keyboard and mouse can also be used separately). Plug and play, no software needed,convenient and efficient. Full Size KeyboardThis wireless keyboard and mouse set is a full-size keyboard which can save space more workable. 12 Function Multimedia KeysReccazr wireless keyboard is with 12 multimedia function keys, you can quickly operate the multimedia player, volume adjustment, email, etc.. Auto Power Saving FunctionWireless keyboard and mouse have a smart auto-sleep mode to save power. They will enter sleep mode after stop using a while(Refer to the instructions for details). Unplug the receiver or after the PC shutdown, they will enter sleep mode too.You can press any keys to wake. (battery life may vary based on user and computing conditions) 3 DPI Level 800-1200-1