Tracer 46941 Wave RF 2.4Ghz wireless mouse red   Features Built-in 500 mAh battery – environmentally friendly. 2.4 GHz wireless connectivity. 4 buttons and scroll wheel. Optical sensor. Adjustable resolution: 800/1200/1600 DPI. Symmetrical profiling. USB-C charging cable.   Technical data Number of buttons: 4 Warranty (months): 24 CPI / DPI Resolution: 800 - 1200 -1600 Number of batteries: 1 Sensor:Optical Technology:2,4GHz Max. range (m):10 DPI switch:Yes Maximum resolution dpi:1600 Ergonomic form factor: Symmetric Nano receiver: Yes