Ultimate Ears BOOM 4 Review: Sound, Waterproofing and Portability Tested
Looking for a speaker that can handle a pool party, a hike, and a rainy day? The Ultimate Ears BOOM 4 might be the one you need. Its IP67 rating helps it shrug off dust and water. The speaker also floats, so a quick splash in the pool will not sink it. Pretty cool, right?…