BOTAO Environmentally friendly plastics, Wireless freedom - long distance of wireless technology can be around 15 meters remote control, Ultra-portable - Storage Slim USB wireless receiver is very easy to carry (Note: The USB receiver is located next to the battery slot in the back cover of the controller.) Laser pointer with RF wireless control designed specifically for computers and multimedia projectors.Ideal for lecturers, meeting presenters, teachers, sales managers or anyone giving a Power Point presentation. Buttons: Page up and down, Dark Screen and Escape/Resume functions Pages could be turned freely and silently, One-touch keys easy to control slideshow,and highlight effects can be obtained in the presentations. Makes your demonstration or presentation more dynamic No hassle setup, simply plug the USB receiver to your computer which is inside the battery compatment. No driver required. Lightweight and compact, fit into your pocket or handbag. (Note : Batteries are NOT INCLUDED with this product) Delivery Quantity: 1pc, Package Contents: Only the above package contents, excluding other products. Size: 10.5x4x3cm (Reminder: The size is measured manually, please allow 1-2 cm measurement error) Color: dark grey (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)