... 2480MHz RF operation channel:16,auto frequency hopping Rated operation current:15mA ,1.5V USB:ver.2.0 2.4g wireless ... optical mouse driverProduct features:1)2.4GHz digital wireless transmission,operation distance is up ... speed adiustable.8)Power switch9)Low voltage alarm functionTechnical Spec:RF carrier:2402MHz--2480MHzRF operation channel:16,auto frequency hoppingRated ...