FiiO BTR7 Portable Wireless Bluetooth Amplifier Android Version Unveiled in China

FiiO has unveiled the white Android version of the BTR7 portable headphone amplifier in China. The new model comes after the release of the BTR7 portable wireless amplifier in 2022. The new wireless headphone amplifier adopts the aluminum alloy electrophoresis technology. It can withstand pencil hardness above 3H and can effectively prevent corrosion. The FiiO […]

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