Specification Brand : SANWA BulletPoint1 : TRACKBALL COMFORT - Equipped with a 44mm trackball, you will not need to mouse around to move the cursor as thumb controlled trackball stays in one place. Not only work on flat surfaces, but also on your leg, sofa and other surfaces as well. A full control of everything is within your fingers. BulletPoint2 : ERGONOMIC DESIGN - Places your hand in a natural wrist & arm position for smoother movement and less muscle tension. Comfortable finger rests just fit in the palm of your hand. No driver required. Once you get used to it, you will love it! BulletPoint3 : 4 ADJUSTABLE DPI LEVELS - The SANWA trackball provides precise cursor movement for superior accuracy so you can get where you want on the screen quickly with less hand movement, improving productivity and efficiency. You can adjust the mouse among 4 resolutions of 600 / 800 / 1200 / 1600 DPI depending on your needs. When the count switch button is pressed, the DPI is notified by the number of flashes. BulletPoint4 : PROGRAMMABLE BUTTONS - This SANWA ergonomic trackball mouse also has a forward/back function. Besides, it is programmable for different functions. Download SANWA Trackball mouse software to customize your mouse buttons and increase work efficiency. Note: 1. The software does not work with Mac OS or Chrome OS. 2. Programmable function works when the software on. BulletPoint5 : NOISELESS BUTTON - The noiseless button is mounted on the left and right clicks. Suitable for late-night PC operation, operation in quiet places such as public places, library, hospital or meetings. ButtonQuantity : 5 Color : Wired CompatibleDevices : Windows11/10/8.1/8, mac OS12/11/10.13~10.15, Chrome OS and versions later on CompatibleDevices1 : Personal Computer CompatibleDevices2 : Tablet ConnectivityTechnology : USB CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier : 6972349542203 ExternallyAssignedProductIdentifier1 : 036663164247 ExternallyAssignedProductIdentifier2 : 049943611461 ExternallyAssignedProductIdentifier3 : 782794967645 ExternallyAssignedProductIdentifier4 : 837654866177 ExternallyAssignedProductIdentifier5 : 0049943611461 ExternallyAssignedProductIdentifier6 : 0782794967645 ExternallyAssignedProductIdentifier7 : 0036663164247 ExternallyAssignedProductIdentifier8 : 0837654866177 ExternallyAssignedProductIdentifier9 : 7290105107152 HandOrientation : Right HardwarePlatform : PC IncludedComponents : Trackball, Switch jacks, Color-differentiated right and left click buttons, USB connection, Drag Lock ItemName : SANWA Wired Ergonomic Trackball Mouse, Optical Rollerball Mice, Programmable Silent Buttons, 44mm Trackball, 600/800/1200/1600 Adjustable DPI, Compatible with MacBook, Laptop, Windows, macOS ItemPackageDimensions_Height : 20.8 centimeters ItemPackageDimensions_Length : 7 centimeters ItemPackageDimensions_Width : 11.2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : computer-trackballs Manufacturer : SANWA SUPPLY Material : Plastic ModelName : Big Track 2 ModelNumber : GMATB137 MouseMaximumSensitivity : 1600 dots_per_inch MovementDetectionTechnology : Trackball NumberOfItems : 1 OperatingSystem : Windows 10 PackageLevel : unit PartNumber : GMATB137 PowerSourceType : Corded Electric ProductDescription : SANWA Wired Ergonomic Trackball Mouse, Optical Rollerball Mice, Programmable Silent Buttons, 44mm Trackball, 600/800/1200/1600 Adjustable DPI, Compatible with MacBook, Laptop, Windows, macOS ProductSiteLaunchDate : 2022-08-15T14:32:36.154Z Range : 10.0 meters RecommendedUsesForProduct : Indoor RecommendedUsesForProduct1 : Users who Lack Fine Motor Skills to Use a Mouse RecommendedUsesForProduct2 : Medical RecommendedUsesForProduct3 : Office RecommendedUsesForProduct4 : Gaming RecommendedUsesForProduct5 : Assistive Technology RecommendedUsesForProduct6 : Trackball Mouse Size : 1 Count (Pack of 1) SpecificUsesForProduct : Medical Style : Wired SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 43211708 WarrantyDescription : All SANWA Products provide the same high-quality after-service as in Japan, including a 1-Year Worry-Free Manufacturer Warranty & free lifetime technical support.