More convenient: Plug and play without the need to install the driver, the micro USB receiver plug and play, without any driver, plug into the computer USB interface, no need to repeatedly plug and drop the tiny portable design, let you almost forget its existence.2. More stable: Wireless transmission is practical and more durable, 10 meters long wireless distance transmission, portable, free, instant connection is not interrupted.3. More slim: Very light and thin, you want the model, slim fashion body weight of about 90g