Bring the party along with the 400w beFree Sound 6.5 Inch Wireless Professional Speaker System. The two 6 inch woofers add depth to any beat or melody that plays through to the crowd. Play via Bluetooth connection, FM radio, USB/TF, or speak through the wireless microphone to get the desired sound going. The rechargeable battery can last for hours for late night parties or day long events and presentations. Work with the 4 band equalizer and turn on the sound reactive lights for booming house parties and raves! This professional speaker system does it all and is perfect for celebrations, conferences, public speaker, and more!