The FiiO BTR1 Bluetooth Headphone Amplifier Review - shadowandy - my life stories
Recently, mobile phone manufacturers are removing the headphone jack to make way for thinner bezels. Some actually gave a name for this transitioning period – headphone jack apocalypse. As a result, people are looking at audio adapters or Bluetooth adapters like the FiiO BTR1 Bluetooth DAC Headphone Amplifier.
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