We use only the best components to ensure quality standard. Ergonomic smart design for comfortable use. ABS plastic material. 2.4 GHz Full-size optical wireless mouse that folds to compact travel size. 2 way transmission technology, operating range 30 feet. Top IC chip (3065XY) & RF solution - a true 2-in-1 single chip Optical tracking DPI switch & indicator to change the speed (800/1200/1600). It has plug & play Nano receiver and has 2 AAA alkaline batteries. Contact Fast Fish Promo: info@fastfishpromo.com