Product Features: 1. Ergonomic design, elegant appearance and comfortable hand. 2. Professional optical positioning technology, the positioning is more precise. 3. Intelligent mini receiver, automatic connection, no need complicated code. 4. Up to more than 16 million ID code designs to improve the anti-jamming characteristics of the mouse; 5. All 360 around the use angle, up to 10 meters control distance; 6. Unique intelligent circuit management design makes the mouse smarter and save electricity; 7. 800-1600dpi frequency adjustable resolution, enjoy your free wireless space; 8. System Requirements: Windows2000 / XP / Vista / Linux / 7 / and MAC operating system 9: Using the latest infrared lighting technology, it is more energy efficient, energy efficient and environmentally friendly, and enjoys low carbon life. 10: 500W life brand switch, better click effect, improved comfort, no noise, quieter.