This product has a unique and exclusive 2 in 1 design - the smart LED bulb with bluetooth and speaker. The E27 socket boasts easy installation and good compatibility to all bulbs, can support a wide range of bluetooth and wireless audio configuration files and be compatible with devices that have bluetooth function. More importantly is this bluetooth LED bulb using low power 4.0 technology. wish you can have the infinite joy of combining light and music. 

SIZE:142*80MM