Shell Color: Whitenn - Interface: E27nn - The light color: RGB 16 color with the remote controlnn - Signal Input: Bluetooth. (2. 4G Bluetooth Transmission)nn - Bluetooth Transmission Distance: 5-10 metersnn - Bluetooth Connection Password: nonnThe steps to use this led music bulbnn - Appliced this bulb to the E27 base,and then power the bulbnn - The bulb is lit up,then you can use the remote control to adjust the light color.nn - Turn on you bluetooth device (you phone etc), search and connect to the bulbnn - Connected succesfully,now you can play the music you link whith the bulbnnnUser Notes:nn - please confirm the voltage first (this is 110V-240V)nn - please check the specifications of the product carefully before ordering to insure a proper fit.nn - Do not disassemble any bulbs by yourselfnn - Be sure to cut the power off before beginning installation to avoid personal injurynn - One remote controller can control multi bulbs (the light),but one bulb can only be connected to oneBluetooth device (output sound).nn - Don't install the bulbs in humid environmentnn - Please accept 1cm deviation due to manual measurementnnApplication:nn - Suitable for the bedroom, closet, cabinet, corridor, workshop, basement, garage, stairwell, oildeapots ,roof, door and other places.