The M330 Silent Plus Wireless blue Mouse from Logitech is a right-handed mouse designed with a quiet scroll wheel and left- and right-buttons to prevent noises from disturbing others in your environment. It features 2.4 GHz wireless connectivity via its compact nano receiver that you can leave plugged-in to your system. For tracking, it utilizes a 1000 dpi optical sensor that offers precise movements on almost any surface. Depending on use, the M330 can last up to 24 months with a single AA battery.