Office Trackball 2000 DPI Graphite Right-hand RF Wireless + Bluetooth 10 m Scroll type: Wheel Buttons quantity: 5 Power source: Batteries 2 AA Alkaline Mouse Bluetooth Low Energy (BLE) Yes Frequency band 2.4 GHz Buttons durability (million clicks) 3 Button functions Forward Programmable mouse buttons Yes Buttons type Pressed buttons Buttons quantity 5 Scrolling directions Vertical Number of scroll wheels 1 Scroll type Wheel Movement resolution 2000 DPI Movement detection technology Trackball Device interface RF Wireless + Bluetooth Purpose Office Design Surface coloration Monochromatic Product colour Graphite Ergonomic design Yes Form factor Right-hand Ergonomics Wireless range 10 m Power Service life of battery 24 month(s) Battery technology Alkaline Battery type AA Number of batteries supported 2 Power source Batteries System requirements Other operating systems supported ChromeOS Mobile operating systems supported Android 8.0, iPadOS Linux operating systems supported Yes Mac operati