Descriptions:1. High quality, compact design and measurable weight2. Ultra-precise scroll wheel3. Ergonomic shape, special feel good4. True 2400DPI Pro-gmaing sensor5. New version: high resolution: 2400DPI6. Adjustable resolution feature: 800/1200/1800/2400DPI7. Profect combination, positioning accuracy8. Forward and backword side buttons9. Resoulition adjustable in driverless-free drive10. Switch Life: 8 million cycle11. The use of up to 60000 hours12. 16-bit ultra-wide data path13. 8400FPS frames per second (6.8 megapixels per second)14. DPI Switch15. Buttons: 6 buttons with scroll wheel (two side-buttons and one DPI button)16. Most suitable for laptop user and PC user17. Optical technology works on most surfaces18. Intelligent connectivity, no need to cod.
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