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Update your old speaker system: 1Mii B06Ultra is a premium HiFi Bluetooth receiver that adds high-resolution Bluetooth connectivity to an old speaker or home stereo system. Plug and Play: In just a few seconds, it streams high-quality music from your phone, PC or tablet via Bluetooth and enjoy the high-definition music wirelessly. Advanced Bluetooth technology: the 1Mii B06Ultra Bluetooth adapter stereo system features the Qualcomm CSR8811 Bluetooth 5.2 chip and the ES9018K2M chip and provides a stable Bluetooth connection and a performance level that satisfies even the most demanding audio enthusiasts. B06Ultra is only a Bluetooth receiver, not a transmitter. High-resolution audio experience: With support for the state-of-the-art Sony LDAC audio codec, aptX HD, aptX low latency, aptX and AAC decoding, the B06Ultra Bluetooth receiver adds Bluetooth audio of the highest quality to most home stereo systems. And the LDAC audio codec transmits at the maximum bit rate of 990 Kbps, delivering uncompromising high-definition sound quality. Audiophile DAC stereo performance: This audiophile Bluetooth adapter has the ES9018K2M chip and offers a level of performance that satisfies even the most demanding audio enthusiasts. 3D sound surround and volume control: the B06Ultra Bluetooth RCA adapter Hi-Fi is equipped with a 3D sound effect function. Just press the \