Innovative mini pen-style mouse with handwriting input function, you can use it as a writing board for your tablet. Widely used on PPT, hand writing, drawing, meeting. Equal to PowerPoint presenter when needed, use mouse wheel to turn pages freely, remote control distance range is up to 10 meters. Ergonomically Design, best mouse for who suffered from "mouse pain". Features: 2.4Ghz wireless mouse, transmission distance up to 10m. Innovative mini pen-style mouse provides accurate and easy control of the mouse cursor. Three resolution adjustable 800/1200/1600DPI, provides more sensitive than standard optical mice for smooth and precise tracking on a wide of range surface. Scientific ergonomic design, wrist and arm positions for smoother movement and less overall strain. Use it as an optical mouse with your laptop and desktop, or just flip mouse over to use it as a stylus with your tablet. Designed with a wheel for page turning during PPT presentation. USB receiver with plug and play. Support Windows 7/Vista/XP/2000, Android, Linux, Mac OS. Specifications: Material: ABS Color: Red, Blue, Silver+Grey Number of key: 4 keys Operating frequency: 2402MHz-2480 MHz Transmission distance: 10m Resolution: 800/1200/1600DPI Operating voltage: 3V Operating current: 15mA Tracking method: Optical Maximum accelerated speed: 14in/s Battery: 1*AAA (not included) Dimensions: 140*20*15mm Weight: 29g Support: Windows 7/Vista/XP/2000, Android, Linux, Mac OS Package weight: 61g Package size: 16.5*9.5*3.5cm/6.49*3.74*1.37inch Note: Item color may show sight aberration due to different shooting light and monitor display. Package List: 1* Pen Mouse 1* NANO Receiver 1* Mount 1* User Manual