What's better than a Flare 2 speaker? One hundred Flare 2 speakers. Connect up to 100 Bluetooth speakers with just one device and watch your party sound break all barriers. The custom digital signal processor analyzes and amplifies the bass frequencies of your music. The audio signal is then reproduced through state-of-the-art neodymium drivers for even more sound volume. Six different color themes from the Soundcore app create a premium ambiance with a killer light show, allowing you to set the mood of your party. Impervious IPX7 waterproofing withstands pool splashes, rainwater, and even full submersion. Soundcore is an Anker brand, so it has unbeatable power management technology for a fantastic 12 hours of battery life. It is extremely compatible and recharges from 0 to 100% in just 3.5 hours.