... OEM/ODM,A-3500 1) Blue Ray Engine Tech 2) operate range:10m 2.4G wireless mouse --Factory offering OEM/ODM,A-3500Product features2 ... 16,auto frequency hoppingRated operation currentUSB,VER.2.0Quality AssuranceOne-year warranty is provided for this product from the purchase date. ... closely related to the environment.Battery life may be different for personal habit of using mouse.In case of mouse failure ...