Lenovo N911 Pro One-key Service Mute Wireless Mouse (Black)

1. Ergonomic design, long-term use will not feel tired
2. Mute button to create a quiet and comfortable environment for you
3. Over 3 million keystrokes, durable
4. 1000DPI optical engine, accurate positioning, suitable for daily office operations
5. Buttons: 4
6. Dimensions: 108x64x32.7mm