Revogi Smart Candle Light LTB006 Flameless LED, Flicker, Music Visualizer, Text & Call Alet, Bluetooth 4.0, for Android and iOS Easy to setup and control up to ten Revogi Smart Candle Lights using the Revogi Delite app for Android and iOS devices including Apple Watch; no hub or gateway required Select from a 16 million color palette to fit any party or home environment No flames, no messy wax - the Revogi Smart Candle Light LED light is powered by four AA batteries for up to 200 hours of enjoyment Just like a real candle, the Revogi Smart Candle Light LED can flicker and turn off when you blow on it Other convenient features include Text Message and Call Alert, and Music Visualizer changes color to rhythm of music