TY  - BOOK
TI  - Optical Mouse
U1  - AV Optical Mouse #1 
N1  - A4 Tech Optical Mouse (OP-720)

Features:
1. Optical Sensor - Accurate Tracking
2. 8-in-One Gesture - Selectable Commands
3. Symmetric Fit - Comfortable Design
4. 1200 DPI - High Resolution
5. 4-Way Smart Wheel - Enhanced with Driver
6. Teflon Foot - Works on Most Surfaces
7. 5M Clicks Lifecycle - Extreme Quality
8. Dust-Resistant Wheel - Prolong Wheel Life-Span
9. Plug & Play - USB Port
ER  -