The Mifa Speakers Collection is our most reliable, loved, and sought-after collection of speakers. They have proven themselves to be the loudest, best quality of sound, and above all, best bass among the portable speaker environment. Our medium sized Bluetooth portable speaker, the Mifa A15, is a battery powered, waterproof speaker which is perfect for just about any conditions. With its 12-hour battery life and 10W sound system, you can jam out to your tunes all day long. In the shower, or on the go!