Keep your party going with a Sony ULT FIELD 7 wireless speaker. This portable Bluetooth speaker features powerful bass, dynamic lighting, and comes with a mic port for when you want to break out the karaoke tunes. And with its 30 hours of battery life, and its quick-charging capabilities, this speaker will keep going as long as you do. | Sony ULT FIELD 7 Waterproof Bluetooth Wireless Speaker - Black