Be the master of any mood with Sengled app-controlled speaker bulbs. Simply twist the Pulse bulbs into any 5-6” recessed cans or other standard light fixture to fill the room with high-quality JBL audio and dimmable soft white light. These Bluetooth speaker bulbs are ideal for streaming background music into your kitchen, living room, or other gathering spaces; and are a fuss-free solution for hard-to-wire places such as cabins or rentals. Turn it on, Turn it up. A wireless speaker system integrated into an LED bulb. Connect with Bluetooth and stream from any mobile device. Use the app to change light brightness, control volume and set equalizer modes. Available for iOS and Android. Sound from Every Socket Add up to 7 satellite Pulse bulbs in your lamps and recessed lighting and experience the surround sound experience. Each set includes on master and one satellite.