Xiaomi Mi Box S - Black

Go to Settings > Device Preferences > About > System update.

Yes, you can connect Bluetooth headphones through the Bluetooth settings.

Yes, the Mi Box S supports 4K HDR content.

Press the Google Assistant button on the remote and speak your command.

The Mi Box S has 8GB of internal storage.

This is a seller refurbished item. It is in full working order and in very good cosmetic condition, showing some signs of use.

Chromecast allows you to cast content from your phone or tablet directly to your TV.

Check the power adapter connection and ensure it's plugged into a working outlet.

Replace the batteries in the remote control. Also, make sure the remote is paired with the Mi Box S. Check for obstructions between the remote and the device.

Check your Wi-Fi network connection and ensure the Mi Box S is within range of your router. Restart the Mi Box S and your router.

Clear the cache and data for the app in the settings menu. Ensure the app is updated and the Mi Box S software is up to date.

Ensure your TV is set to the correct HDMI input and that the Mi Box S is outputting the correct resolution (e.g., 4K). Check your internet connection for streaming content.