Have you been pining for the ultimate mouse to go with your computer? With help from the Dell MS7421W, you'll be capable of much more than you think! It is a practical wireless mouse, so no cables will bother you. Its connection range is up to 10 m. The body of this mouse is designed for those who are right-handed. This mouse uses the very reliable optical technology. The mouse will be capable of a sensitivity of up to 4000 DPI. You will be able to use 7 buttons,, ideal for demanding users. It draws power via Li-Ion batteries. This mouse model is designed for office jobs, but casual players will appreciate it.