... presentation and pc game OEM available keyboard mouse 2.4G wireless laser keyboard with touchpad mouseusb rechargegood for presentation ... size, easy to takeTiny in size, powerful in function.2.4G Wireless Keyboard & Mouse (Left button, Right button and Middle ... conference, lecture, presentation etc.Specification: Device Type Mini 2.4G Wireless Keyboard with TrackballOperating distance Up to 33 feet (10 ...