Powerful and portable_ Dual speakers, built-in subwoofers and audio sensing EQ give a rich sound for up to 12 hours on a single charge, and you can also dual pair two BoomBottle speakers for the ultimate audio experience.__Full built-in control_ The integrated control buttons allow you to play, pause, change tracks forward/back, answer/end calls, adjust the volume or power the speaker on/off.__ Magnetic mounting_ Extra powerful Rare-Earth neodymium magnets used in the top and base are 100% mobile device safe, providing a secure grip for your device on the top surface and the speaker itself on the bottom.__Unique bottle design_ It's slim compact enough to take with your wherever you go, easily fitting into your bike bottle cage, car cup holder and backpack bottle pocket ... More info