The steps to use this led music bulb: 1:Appliced this bulb to the E27 base,and then power the bulb 2:The bulb is lit up,then you can use the remote control to adjust the light color. 3: Turn on you blueteeth device (you phone etc), search and connect to the bulb 4:Connected succesfully,now you can play the music you link whith the bulb Application:Home,Hotels, clubs, shopping malls,Architectural decorative, atmosphere,Illumination of emporiums, meeting room, factory, light box,Backlighting, concealed lighting, channel letter lighting Specifications: Name: LED RGB lamp Base:E27 Colors: 16 Colors RGB Changing Input: AC85V-265V voltage: 100-240V/50Hz-60Hz Led power:7W Speaker power:3W rms Total power:12W rms Remote Controller: Control mode:24 Keys IR remote control(Battery in not include) Mode:strobe.fade.smooth Controller working distance: ≤10M Product Notes: 1:please confirm the voltage first (this is 110V-240V) 2: please check the specifications of the product carefully before ordering to insure a proper fit 3: Do not disassemble any bulbs by yourself 4:Be sure to cut the power off before beginning installation to avoid presonal injury 5:The bulb can be turned off by to the remote control, and you can still use the is as a speaker 6: One remote controller can control multi bulbs (the light),but one bulb can only be connected to one Bluetooth device (output sound). Color: White Material: Plastic+Metal Package Contents: 1 x bulb 1 x remote control Only the above package content, other products are not included. Note: Light reflection 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.