Bass & Treble Control】Designed with volume, treble and bass control knobs for more delicate adjustment of the sound, much fun and high playability. Include controller for distant audio adjustments. Note: There is an isolation plastic sheet at the bottom of the remote control, which needs to be removed before use. [Wireless Bluetooth Streaming]Our professional, integrated home audio receiver supports Bluetooth connectivity and is equipped with the latest Bluetooth 5.4 chip. This enables a seamless connection and stream to your devices. It maintains a stable connection within a 30-foot range with the latest devices, such as smartphones, tablets, laptops, and computers, allowing you to enjoy convenient wireless streaming.