CK0125P Features 2.4G wireless mouse Operating distance can be up to 10 m Can also connect the mini USB to convert to the USB2.0 port with 1m cable No installation software or drivers required: plug and play  With this mouse， you can surf the internet conveniently Compatible with desktop and laptop computer General Specs Type 2.4G mouse Material ABS plastic Optical Resolution 1600DPI Operating Distance 10 m Battery Capacity 850mAh Compatibility Laptops and desktop PCs System Required Windows 98/Me/NT/XP/Vista/7