Features: 100% Brand new and high quality! Perfect combination by air mouse and wireless presenter. Annotation with highlighter、 no need driver. Virtual keyboard to input letter directly. Easily control multimedia with functions: volume control、 play and pause. Shortcut keys to switch window and desktop. Presentation functions include Page up / down、 play slide and blank screen. 2 x AAA battery(not included)supply power、 convenient to replace. 2.4GHz RF technology、 strong anti-interface effect.Specifications: Type: Laser Pointer Battery: AAAx2 Battery (Not Included) Voltage type: 3V Function: For Office and Teaching Material: ABS Product Size(L x W x H): 13.8 x 4.0 x 3.0 cm / 5.42 x 1.57 x 1.18 inchesPackage Content: 1 x Wireless RF Remote Control Laser Pointer with Touchpad Air Mouse 1 x English manual