ETT NOTICE: “Please mask sure the bulb is powered on and flashing, Alexei I Ingested in, and Ech ls ‘contact. [If tha bulb can't flash, you'd batter to repeatedly power on and off unl t can flash.] *Alexei Echo requires 2nd Gen and above, and has Bluetooth Mesh function. “Please ensure your Amazon Alexei device Is cutup before adding the Smart bulb, It needs to have the latest software upgrade. You can ry “Alas, Is my software up to date?” to trigger software update, then add the smart bulb.