• 1. Use Alexa echo / Google home to control the product, and do not execute the command?
• 2. Can I control the device with app, but the device doesn't appear in my smart speaker app list?
• 3. How to bind the device to Alexa / Google home and other third-party smart speakers?
• 4. Why can't my Bluetooth device be controlled by the smart speaker?
• 5. Types of devices supported by Alexa
• 6. Alexa control does not take effect?
• 7. When my account uses google; google home; alexa; Alice, the device cannot be controlled?