Yes, the device can be connected via Wi-Fi. The connection is made via the Alexa app, in which you select your Wi-Fi network and enter the password to connect the device to the Internet. To do this, you need to switch on the device, press and hold the action button until the light ring lights up orange, then select your Wi-Fi network in the app and enter the password. As soon as the connection is established, you can use Alexa.

The Amazon Echo Dot 5th Generation can be connected to external speakers or a stereo system, but it does not support a direct wired connection for true stereo sound. Here are the ways you can connect it: - Bluetooth: You can pair the Echo Dot with Bluetooth speakers or a stereo system to stream audio wirelessly. - Multi-room audio: You can also use the Echo Dot as part of a multi-room audio setup with other compatible Echo devices, allowing you to fill your home with music in different rooms. However, for a traditional wired stereo connection, you would need to use an external adapter or converter, as the Echo Dot does not have an audio output jack.

No, it's not so widespread. Even Russian is not there.