Sengled Pulse LED Smart Bulb with JBL Bluetooth Speaker, App Controlled Up to 8 BR30 LED Light Bulbs with Starter Kit, E26 Base, Compatible with Alexa, White, 2 PackSize:Master+Satellite Pair | Color:White With Pulse, you get the energy efficiency of a dimmable LED light with the rich sound of a JBL speaker that you can control using your iOS or Android device. Set up is simple. Just screw Pulse into any standard light socket or fixture and enjoy high quality stereo sound right out of the box. No need to worry about wires, cords or remotes. Best of all, you can customize your Pulse system to suit your needs. A Pulse Master bulb can be paired with up to 8 Satellite bulbs allowing you to enjoy your favorite music in every room of your house. You can even add a subwoofer to your Pulse sound system using the Pulse Amp adapter (sold separately) or connect it to your TV or audio receiver using Pulse Link (sold separately). Pulse bulbs are available in three striking colors Candy Apple, Pearl White and Pewter and come with a one year limited warranty.