Audiopho E27 LED Bluetooth Speaker Bulb with Dimmable Cool White Light - 4w White (40w Equivalent) with Built-In 4W Bluetooth Speaker Music Player and Remote Controller 2 in 1 Bluetooth speaker and dimmable cool white LED light bulb LED light power: the power of the bulb is 4W (40 watt bulb equivalent) Easy-to-Install and compatible with most mobile devices via Bluetooth: iPhones, iPad, iPod, Android SmartPhones (S3, S4, LG, Motoroloa, etc), Tablets (Nexus 7/10, Samsung, Kindle, etc), MID, Notebooks and More! Optimized output & sound quality at its sweet point no matter how high the volume Fits in all US standard medium (E26/E27) base