Best Bluetooth Receiver SMSL B1 Bluetooth Receiver APTX

Use CSR bluetooth 4.2, support APT - X transmission format. Independent of the DAC and the ear of the independent design, let the sound quality is better;Abundant output interface easy to use on different devices. 24 hours of continuous use. Convenience and long-distance wireless transmission. You can use the NFC function scan bluetooth connection. Equipped with external bluetooth antenna, the stability of the transmission distance up to 10 meters above