From Sengled - Smart Lighting Expert Since 1997.
Sengled is committed to bringing automated whole-house smart living to your Alexa devices.

R&D is fully focused on smart home lighting -Sengled integrate seamlessly with alexa Smart Home devices to offer beautiful lighting throughout your home.
The alexa devices list that support to connect directly with The New - Sengled Auto Paring Technology.
Echo Plus / Echo Studio / Echo Show / Echo Dot / Echo Frams.. (all after 2016 support Bluetooth gateway Alexa Devices) 
  

 Smart Voice Control: Use hands-free Voice Control to turn on, off, or adjust brightness of the smart light bulb. Our smart light bulbs have a dimmable range from 5% to 100%, allowing you to adjust the light settings for a morning-to-night ambience.  
 Control From Anywhere: Enhance your smart home with sengled smart bulb color changing lights. Controlled remotely wherever you are and track energy usage through Alexa App.  
 OFF-Line Mode: Localized Information Security, Sengled smart bulb for Localized Mesh networks without connecting to the cloud or network. Multiple mode options available in Sengled Bluetooth App, also no account required, direct local connection. More secure for smart home.  
 What You Get: Sengled Smart Warm Light Bulbs (2700K, Led Lights), User Manual. Our worry-free 36-Month Warranty and friendly customer service based in the U.S.