HearO 3.0 Bluetooth Speakers made from tournament tennis balls

A part of history

The hearO 3.0 is a wireless Bluetooth speaker made from tennis balls used in World Championship matches like Wimbledon and the US Open. It features a one button functionality and pairs via Bluetooth 5.0. Each tennis ball speaker comes with its own charging cradle and sold as a single speaker or two speakers for stereo sound.

As for sound quality, it probably won't blow you away but it's not too bad either for its size with a frequency range of 100Hz to 20kHz. It's more of a novelty than a serious bluetooth speaker. It's also a carbon neutral product and hearO plants a tree with The European Nature Trust for each hearO made.

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