This folding wireless mouse is ideal for home or office using. It is 2.4GHz digital wireless transmission with USB receiver, operation distance is up to 10 meters. Optical tracking technology. Powered by two AAA batteries (not included). The mouse will turn off automatically for saving power when it’s not used for a long time. To wake it up, press the right or left button. This wireless mouse is a good choice to promote your brand. Your logo is welcomed.