Skullcandy Air Raid Water-resistant Drop Proof Bluetooth Portable Speaker, Black It's the only portable Bluetooth speaker both loud and rugged enough for those who don't tread lightly. Bring on the elements: snow, dirt, water, you name it, just about anything outside of a sharknado, and Air Raid can handle it, all the while blasting your soundtrack louder and clearer than any other speaker of its kind. Air Raid delivers seamless integration with any Bluetooth-enabled device, and the rechargeable battery promises to last longer than you do.