M107 4-buttons 1600 DPI 2.4GHz Wireless Mouse, Battery Version 1. 2.4G wireless transmission technology, 10m wireless receiving distance 2. Refresh rate: 3000FPS 3. Three-speed DPI adjustment design 4. Quiet and elegant office wireless mouse 5. High resolution: 1600 DPI high resolution fluid motion 6. Stylish ergonomic design: Ergonomic design, comfortable grip, stylish appearance, easy to carry 7. Material: ABS 8. Key life: 5 million times (mute switch) 9. Wireless distance: 10m 10. Work: photoelectric 11. Acceleration: 10G 12. Resolution: 800, 1200, 1600. (default 1200dpi) 13. Operation mode: photoelectric 14. Rated voltagecurrent: 3.7V18mA 15. Type: 2.4GHz wireless mouse 16. Buttons: 2 buttons and 1 round (middle button) and Dpi key 17. Return rate: 125HZ 18. Moving speed: 28IPS 19. Size: 10.1x6.3x3.5cm 20. Weight: 46g