Full-size wireless mouse that folds to compact travel size. 2.4Ghz full-size optical wireless mouse that folds to compact travel size. 2 way transmission technology, operating range 30 feet. Top IC chip (3065XY) & RF solutions (89P1-E) Plug and play nano receiver Windows PC, Mac compatible. Battery status indicator, super energy saving with low battery consumption. Auto shut down feature to save battery life. 2 AAA alkaline batteries(included) - Prop 65 compliant