... operation channel:16,auto frequency hopping Rated operation current:15mA wireless mouse 1,RF:2402MHZ-2480MHZ2,RF operation channel:16,automatic ... Systems:2.4G6,Resolution:800CPI/1600CPIProduct features:2.4GHz digital wireless transmission,operation distance is up to 10 metersBuilt-in Mouse ... dpi,cursor speed adjustablePower switchLow-voltage alarm function. 2.4g wireless optical mouse