1.Install the Amazon Alexa APP 2.Open the installed Amazon Alexa APP, then log in with your Amazon account and password. 3.Go to the 'Setting' of the Amazon Alexa APP's home menu and select 'SET UP A NEW DEVICE'. 4.After selecting the default language, click “CONTINUE” to continue. 5.Select the device Echo Dot. 6.Click ”CONNECT TO WI-FI” to configure the Echo connection Wi-Fi. Follow the prompts and press the Echo Dot button of the smart audio device until you see the orange light rotate, let the phone or computer connection name 'Amazon-xxx 'Wi-Fi hotspot. 7.After connecting 'Amazon-xxxx' wifi, return to the Amazon APP, the prompt has been connected. Click CONTINUE to select the Wi-Fi name and password. After starting the configuration, Echo tries to connect to Wi-Fi. 8.Return to the 'Setting' menu, we can see that the device has been added. 9.Go to the 'Setting' of the Amazon Alexa APP's home menu and select 'Skill' to find the skill 'Magic RGBW'. 10.Click on the skill 'Magic RGBW' to enter the skill information page. Click 'enable' to enable the skill. Click 'Magic RGBW' to enter the settings page, then click 'link Account' to complete user authentication. 11.Enter the ‘Magic RGBW’ account and password, click 'link Now', wait for certification. 12.After the certification is completed, the app will display ‘Magic RGBW’ has been successfully linked, then we can control the smart device by voice, such as 'Alexa, open the bedroom light'.