1. Latest Bluetooth technology: Designed with Bluetooth 5.3 chip, it offers stronger compatibility and stability, ensuring efficient and reliable wireless connection. 2. Multifunctional integrated design: 2-in-1 design, which integrates Bluetooth receiver (RX) and Bluetooth transmitter (TX), supports enhanced receiving mode, and can connect two mobile phones to play music at the same time. 3. High-definition LED digital display: Equipped with a high-definition LED full-screen digital display, which clearly displays the working status and Bluetooth mode, which is convenient for users to monitor the status of the device in real time. 4) Built-in high-capacity battery: Built-in 1000mAh high-capacity lithium battery, charging time about 1.5 hours, can support about 10-12 hours of continuous playback, standby time up to 30 days. 5. Rich audio input and output interfaces: supports digital optical, coaxial, AUX and RCA interfaces as well as USB input, supports a variety of lossless audio file formats playback.