YNF Smart Plug, Works with Alexa, Simple to Set Up with One Voice Command, Voice Control, Remote Control, Timer & Schedulete & Group Controller, Stable Connection, Alexa Echo Required （4 Pack）

Simple setup — Just power on this plug, and say to Echo “Alexa, discover devices”, Your Echo device will automatically detect and set up those smart plugs. No App required for the pairing process.
You can control lights, fans and appliances with your voice and in the Alexa App — remote control, group control, schedule, timer, rename and other functions.
Bluetooth Low Energy (BLE) Mesh plug-to-plug connection helps intelligently eliminate signal dead zones — connect multiple plugs to extend your voice control capabilities beyond signal dead zones, each BLE Mesh plug act as its own hub beyond the Echo.
YNF Smart Plug is optimized for simple setup and exclusive use with Alexa — YNF Smart Plug does not support extra Apps or other voice assistants.
Network connection requires Echo, A range of Echo can connect seamlessly to the YNF smart plug via BLE Mesh— Echo (2nd Gen and newer), Echo Dot (2nd Gen and newer), Echo Plus, Echo Show, Echo Studio, and more. (Only the 1st Gen Echo and 1st Echo Dot are not supported)