Unlike most speakers, the Ultimate Ears Boom is not designed to be a precious object made to passively entertain. It’s the center of action – passed around, held or hanging from a backpack. With no mechanical details to distract, it is covered in a soft, wear and water resistant acoustic skin that feels warm and comfortable in your hand. Distilling the essence of volume to its core, the simple plus and minus interface is refreshingly easy to use. The attention to details extends to the charging solution. The unexpectedly fluorescent flat cable avoids tangles and twists, and rolls up cleanly for easy storage. A speaker to fit your life.