Specification BatteriesIncluded : 1 BatteriesRequired : 1 BatteryInstallationDeviceType : not_installed Brand : Kensington BulletPoint1 : Includes choice of Bluetooth, 2.4GHz wireless and wired connection options for maximum flexibility. Compatible with Bluetooth BT4.0/BT5.0. Features 2.4GHz wireless dongle (USB-A with USB-C to USB -A adapter) and 1.5m USB-C to USB-A charging cable (USB-C port on the trackball). BulletPoint2 : Rechargeable battery provides 4 months battery life with single charge via USB-C port BulletPoint3 : Low-profile shape allows all-day comfort for both right-handed and left-handed users. The trackball takes up less desk space than what is needed to operate a mouse and is more comfortable during extended use because it requires less arm and wrist movement. BulletPoint4 : Dual sensors accurately track the large 55mm ball, giving users better cursor control that requires less hand and wrist movement. Provides highly accurate and responsive cursor tracking and scrolling. BulletPoint5 : Simply plug in the USB cable to the trackball and users will be up and running quickly. Free downloadable KensingtonWorks software provides an easy-to-configure personalized experience, giving users the ability to assign a wide variety of program functions to 8 sets of programmable buttons with KensingtonKonnect installed BulletPoint6 : *This product does not include replacement Ruby Ball bearings. BulletPoint7 : A detachable wrist rest delivers soft cushioning to support the hand and wrist in ergonomic comfort for pain-free productivity during extended periods of activity on the computer BulletPoint8 : Mac and PC compatible ButtonQuantity : 4 Color : Black/Grey CompatibleDevices : Personal Computer CompatibleDevices1 : Personal Computer CompatibleDevices2 : Tablet ConnectivityTechnology : USB ConnectivityTechnology1 : Bluetooth ConnectivityTechnology2 : USB ContainsBatteryOrCell : battery CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier : 4549550281362 ExternallyAssignedProductIdentifier1 : 085896720850 ExternallyAssignedProductIdentifier2 : 0085896720850 ExternallyAssignedProductIdentifier3 : 0085896721963 ExternallyAssignedProductIdentifier4 : 00085896721963 HandOrientation : Ambidextrous HardwarePlatform : PC HardwarePlatform1 : Laptop HardwarePlatform2 : PC Hazmat1 : LITHIUM ION BATTERIES PACKED WITH EQUIPMENT Hazmat10 : DE_SmallLithiumIonBatteryWithEquipment Hazmat11 : EG_SmallLithiumIonBatteryWithEquipment Hazmat12 : ES_SmallLithiumIonBatteryWithEquipment Hazmat13 : FR_SmallLithiumIonBatteryWithEquipment Hazmat14 : GB_SmallLithiumIonBatteryWithEquipment Hazmat15 : IE_SmallLithiumIonBatteryWithEquipment Hazmat16 : IN_SmallLithiumIonBatteryWithEquipment Hazmat17 : IT_SmallLithiumIonBatteryWithEquipment Hazmat18 : JP_SmallLithiumIonBatteryWithEquipment Hazmat19 : MX_SmallLithiumIonBatteryWithEquipment Hazmat2 : UN3481 Hazmat20 : NL_SmallLithiumIonBatteryWithEquipment Hazmat21 : PL_SmallLithiumIonBatteryWithEquipment Hazmat22 : SA_SmallLithiumIonBatteryWithEquipment Hazmat23 : SE_SmallLithiumIonBatteryWithEquipment Hazmat24 : SG_SmallLithiumIonBatteryWithEquipment Hazmat25 : TR_SmallLithiumIonBatteryWithEquipment Hazmat26 : US_SmallLithiumIonBatteryWithEquipment Hazmat27 : ZA_SmallLithiumIonBatteryWithEquipment Hazmat28 : 9 Hazmat3 : II Hazmat4 : AE_SmallLithiumIonBatteryWithEquipment Hazmat5 : AU_SmallLithiumIonBatteryWithEquipment Hazmat6 : BE_SmallLithiumIonBatteryWithEquipment Hazmat7 : BR_SmallLithiumIonBatteryWithEquipment Hazmat8 : CA_SmallLithiumIonBatteryWithEquipment Hazmat9 : CN_SmallLithiumIonBatteryWithEquipment IncludedComponents : orbit wireless trackball, usb receiver, aa battery IncludedComponents1 : Pro Fit® Ergo TB550 Trackball IncludedComponents2 : USB-A Receiver, USB-C (Male) to USB-A (Male) Charging Cable IncludedComponents3 : Quick Start Guide, Compliance Sheet IncludedComponents4 : Warranty Card, Welcome Card ItemName : Kensington SlimBlade™ Pro Wireless Trackball, Rechargeable Battery, Bluetooth 2.4GHz Connection Options Black/Gray (K72085WW) ItemPackageDimensions_Height : 22.8092 centimeters ItemPackageDimensions_Length : 6.9088 centimeters ItemPackageDimensions_Width : 18.0086 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : computer-trackballs Manufacturer : Kensington Material : Plastic ModelName : M-IT11DRBK ModelNumber : M-IT11DRBK MouseMaximumSensitivity : 500 dots_per_inch MovementDetectionTechnology : Trackball NonLithiumBatteryPackaging : batteries_contained_in_equipment NumberOfItems : 1 NumberOfLithiumIonCells : 1 OperatingSystem : Windows, macOS, Linux OperatingSystem1 : Windows 7 OperatingSystem2 : Windows 8.1 OperatingSystem3 : Windows 10 OperatingSystem4 : Mac OS X 10.7 Lion PackageLevel : unit PartNumber : M-IT11DRBK Pattern : Mouse PowerSourceType : Battery Powered ProductDescription : ■ Ergonomics shape that can be operated in an easy posture and an overwhelmingly smooth operability, a thumb fingering type trackball IST. ■ Adopts an ergonomics design that can be used in a natural hand without holding it. Regardless of the size and grip of the hand, it is a shape that fits into the hand. ■ An angle that does not burden the wrist, it is comfortable even in long hours of work. ■ Bearings are made of high performance bearing made by Japanese manufacture. Because the resistance due to friction is reduced, a smooth pitching like floating in the air has been realized. ■ The support unit can be easily removed, and can be replaced with artificial rubies as well as bearings. ■ The replacement bearing unit (M-BS10) and the artificial ruby unit (M-RS10) are sold separately. ■ Adopts a 36mm diameter large ball that fits the thumb. The pointer can be moved extensively and delicately by one operation. ■ The replacement ball (M-B10SV) is sold separately. ■ Equipped with 5 buttons including forward and back buttons that are convenient when operating web browsers and folders. ■ The function assignment of the button can be changed using ELECOM Mouse Assistant that can be downloaded for free. ■ The receiver can be stored in the main unit, hard to lose and is convenient to carry. ■ There is a power switch on the upper surface of the main unit. You can turn on/off the power supply smoothly without turning over the body. ■ Connector shape: USB-A plug ■ Compatible models: WindowsOS, MacOS, ChromeOS equipped with USB ports ■ Compatible OS, Windows 11/10, MacOS Ventura 13, ChromeOS ■ Sensor decomposition ability: 500dpi number: 5 ■ Battery life: up to about 25 months ■ External dimensions: width 3.8 in x depth 5.0 in x height about 2.0 in, Weight: about 5.2oz ■ Contents: trackball x 1 unit for test batteries x 1, removal tool x 1, 1 receiver x 1