Experience superior audio quality with our Bluetooth Receiver Board, designed for audiophiles seeking to upgrade their old audio systems. This adapter features the advanced QCC5125 chip, ensuring high-fidelity sound transmission and robust connectivity. This program does not have LDAC, but it also supports -HD and sound-enhanced (-HD + ), which is much LDAC alone in terms of comfort, emotional atmosphere, fullness, warmth, mellowness, etc., and (-HD + ) compatibility is much LDAC. AUX 3.5 and are wired inputs connected in parallel. Bluetooth priority: The wired input automatically disconnects when Bluetooth is connected; the wired input automatically reconnects when Bluetooth is disconnected. Power supply: For best performance, use a -name 12V 1A isolated power supply (not included). Upgrade your audio system with our Bluetooth Receiver Adapter and enjoy wireless audio experience that brings your favorite music to life. Bluetooth Name: BT5.1 HiFi Audio Color: Black Material: PCB+Plastic+Metal Package Contents: 1* Bluetooth Receiver Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.