Detailed Product Description ST-RF11A Wireless Mouse 1. With competitive price and fashion design2. Resolution: 800 - 1600 dpi 3. Rating: 3V, 20mA, ... .U+P 5. Compatible with Windows 2000, XP, 9X, ME and NT4.0 6. Radio frequency: 27MHz7. All-directional operation within ... mode for saving power 9. Zoom-in and zoom-out functions 10. Scroll up and down directly without moving your hands 11 ...