Office Trackball 2000 DPI White Right-hand RF Wireless + Bluetooth 10 m Scroll type: Wheel Buttons quantity: 5 Power source: Batteries 1 AA Alkaline Mouse Bluetooth Low Energy (BLE) Yes Frequency band 2.4 GHz Button functions Forward Number of programmable buttons 3 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 White 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 1 Power source Batteries System requirements Other operating systems supported ChromeOS Mobile operating systems supported Android 8.0, iPadOS Linux operating systems supported Yes Mac operating systems