imice USB Wireless mouse 2000DPI Adjustable USB 2.0 Receiver Optical Computer Mouse 2.4GHz Ergonomic Mice For Laptop PC Mouse
Q1. After I turn on the mouse, the red light flash and off ?
A1. Please put USB receiver in computer when you text the mouse. Because only when mouse matched the USB receiver, it will work.
Q2. What is the different between Soundand Silent ?
A2. Silent version is mute version, it does not have sound when you press left and right button.