Notes: 1.This bulb is a button placement conbination of upper and down, it can be opened properly, not the product damage. 2.This is our latest technology product, you don t need to download any apps. Only connect your phone bluetooth, and then use your phone to control the bulb music. The steps to use A: music playback operation 1.. Power up the LED light bulb bluetooth. 2. Open the phone Settings Menu -- Turn on the bluetooth -- Search the bluetooth to match. 3. The light bulb will produce sounds after the successful bluetooth pairing, and then open the phone music software to play music. B: the LED light bulb color control 1. Remove the small insulation film which on the remote control battery. Check whether the remote control is electrified. Keep the remote control electrify.Make sure it is able to work normally. There was no battery with the remote control in the original product, please buy new one by yourself.) 2. Let the remote control aim the position of bulb light upper, and do the color adjustment. 3. To close the electric light, the music function is still for normal use.. Can be controlled via smart phone or tablet / Bluetooth LED lamp appearance Wireless Bluetooth connection Adjustable volume of light and music Bright light, comparable to a 50 Watts halogen bulb Material: Rubber+metal Shell Color: Warm White Size: 100mm x 140mm Power: LED really 6W White +3W RGB Lighting Speaker: really 3 W (Bluetooth V3.0) Interface: E27 The light color: RGB 16 color with the remote control Amplifier: Class D Signal Input: Bluetooth. (2. 4G Bluetooth Transmission) Bluetooth Transmission Distance: 5-10 meters Bluetooth Connection Password: no Signal Output: 135Hz- 15Kz Working Temperature: -40~ 80 degree Working Voltage: AC100V~240V/50Hz~60Hz Package Include: 1 x LED lamp (with Bluetooth speaker) 1 x Remote controller (no CR2025 battery) 1 x specification