Features: TF card slot: connect to TF memory card (maximum support 32GB); AUX interface: audio input interface; LCD screen: synchronized lyrics display; USB interface: connect to U disk (maximum support 32GB); IR: infrared receiver module; MIC: Support call and recording function; REC: Press the REC button to start recording, press the REC button again to cancel the recording function and play the recording file; when recording, it is more necessary to connect a storage device, such as a U disk or TF card; REPEAT: Press the single cycle function once, and press it again to cancel the single cycle and play in sequence; PREV/VOL-: Short press is to select the previous song; long press is to decrease the volume PLAY/PAUSE: Short press is to switch between pause and play; long press is to radio FM automatic station; NEXT/VOL+: Short press is to select the next song; long press is to increase the volume; MODE: Switch between USB / TF / FM / AUX / BLUETOOTH; Package includes: 1*Wireless Bluetooth 5.0 Decoder 3*Cable 1*Remote control