B28 2 in 1 Dual Antenna Style Bluetooth 5.0 Audio Adapter Transmitter Receiver Support Optical Fiber & AUX & LED Indicator

Features: 1. One-key switch of RX TX Bypass mode 2. SPDIF I2S audio input/output interface can be switched freely 3. With Bypass transfer function 4. Two antennas bluetooth use distance is greater than 80m strong stability 5. High fidelity and lossless sound quality ultra-low delay sound output 6. ANC noise reduction and echo cancellation technology support apt-X HD high-definition lossless decoding and apt-X LL apt-X SBC 7. Built-in 1000mAh battery long battery life 8. If the battery is less than 20% there will be a low battery reminder. The product will automatically enter the sleep power saving mode after 6 minutes in the RX TX mode without connection and it has its own battery protection IC which is safe to use while charging. reliable 9. Support dual-stream (TX mode) transmission and connect two Bluetooth audio devices 10. Receiving (RX) can be connected to two devices at the same time any two of the mobile phone or tablet or notebook device and the volume and up