Computer Accessory Sets features: PR-20 Wireless Presenter PowerPoint PPT Clicker Presentation Remote Control Pen Laser Pointer Flip Pen with Air Mouse Function Color: we send based on the color or size of the main image of the product page. Quantity：we send based on quantity on title, if there is no quantity in the title, we send based on description. About the Product1. PPT presenter also called electronic pointer (English Name: Laser pointer with remote control). 2. The presenter uses 6-axis of gyroscope technology, gravity induction control PPT presenter pointer function. 3. It is specially designed for wireless remote control computer directly and multimedia equipment, implementation of electronic documents and free demo. 4. When you flip freely in the electronic teaching, presentation, and presentations, for key content need manual note, just gently press the red laser point can be mapped to emphasize in your document content on the screen. 5. At the same time, regardless of your lecture hall in the classroom and, what corner of the conference hall, you only need to gently press the wireless paging laser pointer, you want the screen will automatically appear on the screen. 6. With air mouse function, using gravity sensor positioning, no longer need to sit in front of the permanent operation of the computer, can easily switch between different files and playlists and truly reflect the wireless click, get unlimited communication. Features1. Laser PPT Flip Pen. 2. 2.4G wireless technology, effective distance 10m. 3. Page up / page down, volume plus / volume minus, laser presentation function. 4. Simple operation, easy to use. 5. Power supply: 3.7V (lithium battery). 6. Support system: Windows, Android, Linux, Mac OS etc. 7. Ergonomic design, provides support for your hand in a natural and comfortable position.