The Deathadder Essential Gaming Mouse from Razer is a premium gaming mouse designed to help give you an edge over the competition. The mouse has a 3500dpi Razer Precision 3.5G infrared sensor for precise, accurate tracking. It has an ergonomic right-handed design to allow for hours of comfortable mousing. There are also five independently programmable Hyperesponse buttons. The zero-acoustic Ultraslick feet ensure the mouse glides easily. Additionally, the mouse features a lightweight cord that resists tangles.