... channel:16,auto frequency hopping Rated operation current:15mA wireless mouse 1,RF:2402MHZ-2480MHZ2,RF operation channel:16,automatic ... features:2.4GHz digital wireless transmission,operation distance is up to 10 metersBuilt-in Mouse memory,no recording is ... no need to code, plug and playErgonomically designed,comfort gripMany dormant class control and more power-saving hibernation connection800/1600 ...