Go from full-size to travel-size instantly. This 2.4Ghz optical wireless mouse folds into a compact size so it's easy to pack up and take with you. Two-way transmission technology. 30 foot operating range. Uses two AAA batteries (included). Compatible with Windows PC and Mac. Auto and manual shut down feature helps to save battery. Black and red. Measures 4 1/2" x 2 1/4" x 1 1/4". Screened logo.