With this presenter, modern business people often need to bring laptop computers or projectors to introduce clients their products. Sophisticated design and stylish appearance, enough to let you ease comfortably in front of customer to show them a good introductionof the products. Can be next page based on the traditional super pointer laser pointer, an increase of wireless remote control PC files (from top to bottom, next page) function, can greatly improve the convenience and presentations. Page up/page down function. Powered by one AAA battery (Battery included). Packed in a convenient case. Come with a USB receiver for your use.