A NEW STANDARD OF COMFORT & PRECISION\n Logitech's most advanced trackball for trackball enthusiasts & consumers searching for alternatives to mice & touchpads. Delivers 20% less muscular strain compared to a regular mouse. MX ERGO features a unique adjustable hinge for personalized comfort & the latest tracking, scrolling & power management technology. Logitech FLOW&132;&162; enables effortless cross computer control.\n\n CUSTOMIZED COMFORT\n Finally a trackball you can truly call your own. A unique adjustable hinge means that you can choose the best angle between 0&176;and 20&176; for a more natural hand position & greater comfort.\n\n ADVANCED TRACKING & PRECISION MODE BUTTON\n Change the speed & accuracy of your cursor for optimal control with a press of a button.\n\n PRECISION SCROLL WHEEL WITH TILT\n Get things done faster with quick access to shortcuts. The precision scroll wheel features horizontal scrolling & a convenient middle click.\n\n EFFORTLESS MULTI-COMPUTER WORKFLOW\n Connect & work on two devices at the same time & easily switch between them. Boost your cross-computer experience with Logitech FLOW&132;&162; technology. Copy & paste text, images & files between computers. \n\n LONG-LASTING & FAST RECHARGEABLE BATTERY\n Battery holds power for up to 4 months on a full charge. One minute of charge gives up to a full day of use Feature Feature Value Device interface RF Wireless+ Bluetooth Movement detection technology Trackball Scroll type Ball Buttons quantity 8 Buttons type Pressed buttons Movement resolution 440 DPIRecommended usage Universal Customizable movement resolution Y Number of scroll wheels 1 Scrolling directions Vertical/ Horizontal Frequency band 2.4 GHz Buttons durability (million clicks)10 Form factor Right-hand Product colour Black Surface coloration Monotone LED indicators Y Wireless range 10 m Angle adjustment 20&176; Power source Batteries Rechargeable Y Battery technology Lithium Polymer (Li Po) Battery capacity 500 m Ah Windows operating systems supported Windows 10, Windows 10 Education, Windows 10 Enterprise, Windows 10 Enterprise x 64, Windows 10 Home, Windows 10 Home x 64, Windows 10 IOT Core, Windows 10 Pro, Windows 10 Pro x 64, Windows 7, Windows 7 Enterprise, Windows 7 Enterprise x 64, Windows 7 Home Basic, Windows 7 Home Basic x 64, Windows 7 Home Premium, Windows 7 Home Premium x 64, Windows 7 Professional, Windows 7 Professional x 64, Windows 7 Starter, Windows 7 Starter x 64, Windows 7 Ultimate, Windows 7 Ultimate x 64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x 64, Windows 8 Pro, Windows 8 Pro x 64, Windows 8 x 64, Windows 8.1, Windows 8.1 Enterprise, Windows 8.1 Enterprise x 64, Windows 8.1 Pro, Windows 8.1 Pro x 64, Windows 8.1 x 64 Mac operating systems supported Mac OS X 10.12 Sierra Width 51.4 mm Depth 99.8 mm Height 132.5 mm Weight 164 g Receiver width 1.44 cm Receiver depth 6.1 mm Receiver height 1.84 cm Receiver weight 2 g Receiver included Y Wireless receiver interface USBReceiver type Unifying receiver Unifying receiver Y Cables included Micro-USBUser guide Y Package width 63 mm Package depth 191 mm Package height 175 mm Package weight 330 g Package type Box Quantity per intermodal container (20ft)11088 pc (s) Quantity per intermodal container (40ft)22704 pc (s) Quantity per pallet 544 pc (s) Master (outer) case width 18.4 cm Master (outer) case length 27.1 cm Master (outer) case height 20.6 cm Master (outer) case weight 1.48kg Master (outer) case GTIN (EAN/UPC)50992060730810