Additional Satellite bulb to add to your existing Pulse LED + Wireless Speaker Pair; (Master + Satellite Pair) required to operate this additional bulb. Connect up to 7 Satellite bulbs to each Pulse Master bulb. Inside each intelligent Satellite bulb is a JBL stereo speaker. Simply twist the Satellite bulb into a light socket, open the Pulse app, and add the new bulb to your existing Pulse speaker system.- 1.75" Full-Range High-Fidelity JBL Loudspeakers with surround sound effect - perform as Left-Right Stereo pair (13 Watts at 8ohms; 100Hz-20kHz frequency response)- Download Pulse iOS/Android App for complete control over light/sound intensity and audio equalizer modes - Box includes: One Pulse Satellite (S) Bulb. Power Supply: 120V AC, - Power Consumption: 15W (Light and Audio), Peak 30W