Ergonomic design for Comfortable Grip : The X3500 is designed in a way that you play, surf and do more smartly on the desktop, laptop or notebook. You can operate the mouse with your either hand as it fits well in your palm. This is a wireless mouse. So, you are not restricted by the length of cord. You can comfortably move your hand. It is compatible with the various operating system like Microsoft Windows 7/ 8/ XP/ Vista. You can put the mouse on a even plane and so text selection, accurate tracking, navigating and more with ease. Lightweight and Stylish : The lightweight X3500 wireless mouse has been designed ergonomically. You can connect it to your PC, laptop or notebook with the help of USB wireless to your system’s port. As the mouse operates at a frequency range of 2.4 GHz, you don’t need to worry about the signal loss at least in the range of 10 meters. You can scroll the mouse smoothly and comfortably through your documents or the Internet. Since the battery has a life of 12 months, you won’t be required to look for frequent battery replacement. This Bluetooth mouse supports various operating systems like Microsoft Windows 7/ 8/ XP/ Vista which increases its applicability.