A-7100 wireless mouse RF carrier:2402-2480MHz RF operation channel:16,auto frequency hopping Rated operation current:15mA wireless mouse 1,RF:2402MHZ ... features:2.4GHz digital wireless transmission,operation distance is up to 10 metersBuilt-in Mouse memory,no recording is ... dpi,cursor speed adjustablePower switchLow-voltage alarm function. Wireless Mouse, Optical mouse, Competitive price