The I-Rocks RF-6577L-BK Wireless Keyboard and Laser Mouse uses the latest in 2.4GHz RF technology to provide you with extended range and flawless communication with your computer or HTPC. 8,388,608 unique frequencies eliminate interference while maximizing the range of the keyboard. The comfortable scissor structure keys allows for faster and quieter typing, and the space saving nano dongle stores inside of mouse allows for easy travel. The mouse has two sensor sensitivity settings of 800 and 1600 dpi. The 2.4GHz wireless keyboard is spill safe and compatible with PC or Mac. This keyboard is the ultimate wireless keyboard set for the casual user or the extreme gamer!