The I-Rocks RF-6577L wireless keyboard and mouse combo uses the latest in 2.4GHz RF technology to provide you with extended range and flawless communication with your computer or HTPC. 8388608 unique frequencies eliminate interference while maximizing the range of the keyboard. The comfortable scissor structure keys allows for faster and quieter typing and space saving nano dongle stores inside of mouse allows for easy travel. The mouse has two sensor sensitivity settings 800/1600 dpi. The keyboard is spill safe and is compatible with PC or Mac. This keyboard is the ultimate wireless keyboard set for the casual user or the extreme gamer!