(Disco Music Sync Feature ) You can click "rhythm" mode on the Music in APP. The Music Sync feature allows you to automatically change the lighting to match your music. ( Romantic and sweet ) Turn on the light, your familly can sing Twinkle Twinkle Little Star together or tell star's story to your child, it's so sweet and romantic. (Starry Sky Lampshade ) With the starry sky lampshade, babies and toddlers dream by soft light to sleep, thus overcoming their fear of the dark. The bling star LED Light provides comfort light to protect kids' eyes. (Timer Alarm Clock Function) -Automatically turn on/off according to schedule set up by APP; It can be used as alarm clock to start up and shut down by setting the timer switch; It can play music while the light is off , a good way to wake your kids up. (APP + Remote double control) It comes with a 2.4g remote controller, with which you can adjust the brightness and color temperature. You also can control it by smartphone app. ( Memory function ) You can set light color and brightess as you like, and the light will mermery it. Please note that the light setted must be kept for five seconds above. (Easy to Use)Easy to set up in your room. The installation time is about 1 munite.Easy to connect to your smartphone. Just open your bluetooth of your smartphone and pair it with the bulb bluetooth device. (Best gift for your kids) Ceiling light could help your kids find different kind of colours to enrich your kids imagination Notice:If you can not search your Bluetooth lamp device or can not connect with the Bluetooth lamp device for a long time, please enter your phone "system settings" and connect again. If you can not connect to the device for a long time or other abnormal, please close the APP, then try to restart. Feature： LED lighting indication： Luminous flux(M) more than (MAX)1730 Lumen:3000lm(White)+500lm (RGB) Luminous decay 20%/20000H Light angle Less than 110 Dimming 16 levels Audio parameters： Frequency(HZ) 80HZ-16000HZ Distortion Less than 3% Signal-noise ratio more than 75dB(A-weight) Wireless receiving range Less than10m Environmental parameters： Applicable temperature 18 Celsius-45 Celsius Storage humidity 50%-80% Please scan the QR code on the Manual to install the APP. Setup Steps: 1.Install the lamp and turn it on.( We suggest you install the ceiling lamp by licenses electrician) 2.From you smart phone or tablet's Bluetooth setting,Open it and connect to the device "i_lamp".This connects your smart phone or tablet to the speaker. 3.Download the free app to your mobile device by scanning the QR code. (1)Android:Scan the QR "Google play",or search the APP "i_lamp" from the Google play. (2)iOS:Scan the QR "APP Store" and download the APP. 3.Open APP software"i_lamp",choose to activate the lamp and Link lamp with APP. 4.Once you app is connected to the lamp, and you are ready to personalize your lighting and change the color. Specification： colour:white Material:ABS+ electronic components size:40*40*5.5cm/15.75*15.75*2.2.17 inches Package Contents: 1 * Ceiling Lamp 1 * Remote Control 1 * English Manual 1 * Screw kit Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.