What's in the Box:Logitech Gaming Mouse G500Adjustable Weight CartridgeTuning weights and caseUser documentation3-year limited hardware warrantySystem RequirementsWindows XP, Windows Vista, or Windows 7USB portInternet Connection for software downloadGaming-grade specifications:Tracking Resolution: 200 – 5700 dpiImage processing: 12 megapixels/secondMax. acceleration: 30G*Max. speed: up to 165 inches(4.19 m)/second*ResponsivenessUSB data format: 16 bits/axisUSB report rate: Up to 1000 reports/secondSleep mode: DisabledGlideDynamic coefficient of friction – Mu (k): 0.09**Static coefficient of friction – Mu (s): 0.14**Tuning weight: Up to 27 gramsDurabilityButtons (Left / Right): 8 million clicksFeet: 250 kilometers*Tested on most popular gaming-mousepad surfaces** Tested on wood-veneer desktop.Product DescriptionThe Logitech Gaming Mouse G500 is your weapon of choice for precision and control. Gaming-grade laser gives you game-changing precision at any hand speed (from 200 to 5700 dpi). Onboard memory lets you save and take your settings for your favorite title with you—no software required. Plus, weight tuning for personalized feel and control.Any and all offers welcome...Overseas buyers are welcome...Foreign buyers with unconfirmed address will need to pay for delivery tracking.Foreign Shipping is best guess and may need to be adjusted for actual shipping charges.