Specification:1. Brand: iMice2. Model: E-18003. Item: Wireless Mouse4. Color: Black5. Connection: 2.4GHz Wireless6. DPI: 800/1200/1600DPI Adjustable7. Power: 2 * AAA Battery (Not Included)8. Dimension: 115 * 80 * 40mm9. Weight: 75 ±5gFeatures:1. 2.4GHz wireless transmission technology and upgrade USB 3.0 connctor, smooth and stable transmission, up to 10m operating distance.2. 800/1200/1600dpi for option, suits for daily use.3. Intelligent power saving, the mouse will enter in sleep mode after 5 minutes inactivity. 4. Mini USB receiver connection, plug and play.Package Included:1 * iMice E-1800 1600DPI Adjustable 2.4GHz Wireless Mouse Optical Mouse for Laptop PC Office Use