Presenter also knows as electronic pointer. (English name:pointer with remote control),This presenter device adopts the latest six axis of gyroscope technology, G-Sensor control movement and direction of the mouse pointer position, realize the air remote control mouse pointer and achieve the function page, It is specially designed by wireless method, control computer and multimedia equipment directly, realize the freedom of electronic document page and random demonstration.When you are in the electronic teaching,presentation,speech,and report, need to note the important content of the instruction, j a click with the hand, red points can be mapped on your document content , and will be highlighted on the screen. Whether you are in the classroom, lecture hall, any corner in the hall, you just click the wireless pointer, what you want will automatically appear on the screenIt contains air mouse function, uses the gravity induction positioning, you don't need to sit in front of the podium permanent to operate computer, can easily switch over ifferent files and play lists, embody wireless click,unlimited communication.Combinative accelerometer and RF wireless technology to realize the mouse and demonstration function perfectly.Built-in USB interface, plug and play, simple operation, easy to useSoftware automatic frequency hopping technique, to avoid interference between adjacent users.Smart transmitter design, make the transmitter placed inside the battery cover, effectively prevent the loss.Ergonomic design fits comfortably on your hand. Surface UV paint processing, smooth and durable.Interface Type:USBHand Orientation:Both HandsStyle:Trackballs,Mini,3D,FingerPower Type:BatteryNumber of Rollers:1Type:2.4Ghz WirelessOperation Mode:Opto-electronicModel Number:PR-05Wi-Fi Range:15mOptical Resolution:1800 DPIProduct LayoutThe key instructions :1.Left Key 2.Right Key 3.Play /Stop/Esc 4.Key 5.Black Screen/Home 6. Page up 7. Page down 8.Multifunction key/No of Off /Scroll Wheel9. Light10.The battery cover11.USB Receiver12.Battery anode13.Battery CathodeWe adopt the most advanced RF radio frequency technology, -power emission, harmless to human body, green, health,environmental protection, save electricityCPI: (Gyroscope air mouse) 800/ 1000/ 1200/ 1600CPISupport: Windows XP/Vista/Win7/Win8, above Android4.0 versionProduct weight: 48.2 gOperating frequency: 2.420GHz~2.480GHzNumber of keys: 8 keysKey switch life: 3,000,000Power dissipation: 3V 17Ma, 24mA when onColor:Black + silver + grayMaterial:ABSProduct size:16.7*3.6*2.7cmPackage Contents:1 * wireless mouse1 * receiver1 * instruction manualOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.