Citiger(TM) Wireless Bluetooth Bulb Speaker, Standard E27 Lamp Base, Music Playing, RGB Lighting, Color Changing, Timing Lights, Sleep Timer, Download APP Remote Control, Support Android and Apple IOS Devices (White) The smart bulb is controlled with your smartphone or tablet via bluetooth. Combines LED light and bluetooth speaker together, makes your life more colorful! Personalize your lighting with a color palette of over 16 million colors and different tones of white from warm yellow to vibrant blue white Music Playing via bluetooth,When speaker is used,connect the product to household power and connect the bluetooth of your mobile phone to enjoy music freely in the home and office.It can also be easily adjusted through mobile phone. Unique Sleep Assistant mode may help you turn off wireless speaker and light automatically after preset, have a good sleep without other's help. Plz note:One mobile phone can only control one bulb speaker,Can't control many speaker bulb at the same time.