Interdiscount - Bereits 1926 werden im amerikanischen Magazin «Science and Invention» die ersten «In-Ear-Kopfhörer» vorgestellt. Doch erst Jahrzehnte später werden diese populär – vor allem dank Apple. Das Unternehmen aus Cupertino bringt
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Kassensturz»-Test - Bluetooth-Kopfhörer: ausdauernd, aber nicht besonders gut - Kassensturz Espresso - SRF
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Gotofar Y08 Bluetooth Headphone Foldable HiFi Ergonomic Wireless Heavy Bass Practical Headset for Gaming - Walmart.com
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