RGB+Cool White: E27 LED bulbs to choose from 16 million colors, not only with RGB colors, but also equipped with cool white light, fully meet daily lighting needs, ideal for reading, sleeping , eating, working, etc. Energy saving color bulbs: can be used for general lighting, equal to 58W incandescent, they can save up to 88% of the bill of electricity. The service life can be up to 25,000 hours, and the cost can be reduced by reducing the frequency of replacement. Built-in Bluetooth speaker: This Smart Music LED bulb can help you create an atmosphere for your home , to transform your environment into an appropriate atmosphere. you can relax with soft music and soft color-changing light after a long days work, and enjoy a good morning with happy music. Starry sky lampshade: with the lampshade starry sky, babies and toddlers sleep through soft light, overcoming their fear of the dark. It provides comfort light for protecting childrens eyes. Applications: E27 RGB LED bulbs are widely used in living room, bedroom, KTV, bar, stage, stadium, clubs, casinos, hotels, restaurants, cafes, parties, birthdays, holidays, decoration and mood lighting.