【Voice Control】 Fitop WiFi Smart Light Bulb B22 will work with Siri (iOS 12 or Upper), Amazon Alexa (Echo / Echo dot / Echo Flex etc.), Google Home. One voice to turn on / off / changes brightness / changes colour temperature of multiple smart bulbs. No hub / bridge required! 【Change Brightness / Colour Temperature】 The colour temperature of the smart lamp bulbs can be changed between 2700-6500 Kelvin and the brightness between 1% -100%. From warm white to cool white light (daylight white) for a cozy and safe home. 【16 Million Colours & 8 Scenes】 Colour changes bring