Top 10 Waterproof Portable Bluetooth Speakers Industry ...
2021-10-7u2002·u2002Ultimate Ears. Ultimate Ears is an American manufacturer specializing in in-ear monitors (IEM), earphones, and speakers. On 21st May 2013, Ultimate Ears launched its first portable, Bluetooth speaker with excellent sound quality, and battery life. With more research and technological advancements, Ultimate Ears launched waterproof speakers.
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