3-in-1 versatile LED bulb. It is a Bluetooth speaker with crisp and loud sound. And it is a bright bulb with soft white light that offers brightness equaling to a 40W incandescent bulb. More it is a RGB atmosphere lamp with 16 million changing colors. Other functions like, brightness adjusting, beating with music and timer function make it the best light ever. More, all the functions are realized with an App called "Usmart" which can be easily downloaded by scanning the QR Code. Features: ATMOSPHERE LIGHT WITH MULTICOLORED CHANGING: Over 16 million supported colors by a color palette on the App. Each color is dimmable from 0%-100%. More, the light could beat or flash according to the music rhythm. WONDER AUDIO FREQUENCY: 40mm speakers with SNR > 70db enhances the sound surround ambiance and clearness. It will keep sound output stable, offering you a pleasant listening experience. SMARTPHONE APP CONTROLLED: Download the APP called "Usmart" which is compatible with for IOS 4S and Android 4.3 system or above to control this bulb through Bluetooth 2.0 or above. VERSATILE: Music playing via Bluetooth: play the music from the app and your lights will flash according to the music rhythm. TIMER: use the app timer to set a definite time to turn the bulb on or off at a certain time. SIMPLE INSTALLATION: Fits for all E27 screw base lighting fixtures, offering stable brightness equaling to 40W incandescent bulb. How to set up: Connect with E27 screw base and turn on the power supply. Scanning QR code to download and install the free APP "Usmart" to your mobile device. Turn on the Bluetooth function on your phone, search and connect to the "USMART(mini）".

• 4W Bluetooth Smart Speaker LED E27 Light Bulb APP Smartphone Controlled Dimmable RGBW Color Changing Music Lights for IOS and Android Devices for iPhone//iPad/Samsung/Tablet
• 3-in-1 versatile LED bulb. It is a Bluetooth speaker with crisp and loud sound. And it is a bright bulb with soft white light that offers brightness equaling to a 40W incandescent bulb. More it is a RGB atmosphere lamp with 16 million changing colors. Other functions like, brightness adjusting, beating with music and timer function make it the best light ever. More, all the functions are realized with an App called "Usmart" which can be easily downloaded by scanning the QR Code.
• ATMOSPHERE LIGHT WITH MULTICOLORED CHANGING: Over 16 million supported colors by a color palette on the App. Each color is dimmable from 0%-100%. More, the light could beat or flash according to the music rhythm. WONDER AUDIO FREQUENCY: 40mm speakers with SNR > 70db enhances the sound surround ambiance and clearness. It will keep sound output stable, offering you a pleasant listening experience.
• SMARTPHONE APP CONTROLLED: Download the APP called "Usmart" which is compatible with for IOS 4S and Android 4.3 system or above to control this bulb through Bluetooth 2.0 or above. VERSATILE: Music playing via Bluetooth: play the music from the app and your lights will flash according to the music rhythm.
• How to set up: Connect with E27 screw base and turn on the power supply. Scanning QR code to download and install the free APP "Usmart" to your mobile device. Turn on the Bluetooth function on your phone, search and connect to the "USMART(mini）".

4W Bluetooth Smart Speaker LED E27 Light Bulb APP Smartphone Controlled Dimmable RGBW Color Changing Music Lights for IOS and Android Devices for iPhone//iPad/Samsung/Tabletyinuode