Logitech Lift Vertical Ergonomic Mouse Buttons quantity___19 Testing of Targus materials including Testing of Targus materials including the JIS Z 2801 standard at independent laboratories has demonstrated 99 darker blacks and much better viewing angles DPI switch Forward Number of programmable buttons 4 Programmable mouse buttons Yes Multi device support Yes Customizable movement resolution Yes Movement resolution 4000 DPI Buttons type Pressed buttons Buttons quantity 4 Scroll type Wheel Movement detection technology Optical Device interface RF Wireless + Bluetooth Purpose Office Design Surface coloration Monochromatic Product colour White Vertical design Yes Ergonomic design Yes Form factor Right hand Ergonomics Wireless range 10 m On off switch Yes Power Service life of battery 24 month(s) Battery technology Alkaline Battery type AA Number of batteries supported 1 Power source Batteries Operational conditions Storage temperature (T T) 5 45 °C Operating temperature (T T) 0 40 °C System requirements Other operating systems supported ChromeOS Mobile operating systems supported Android 10