Portable wireless sound amplification receiver

The utility model relates to a portable wireless sound amplification receiver which comprises a shell, a containing groove is formed in the top of the shell, a sliding assembly is arranged in the containing groove, a USB interface is formed in the sliding assembly, an audio interface is formed in the bottom of the shell, a circuit board is arranged in the shell, and the USB interface is electrically connected to the circuit board. The USB interface is used for plugging audio playing equipment so as to enable the audio playing equipment to supply power to the circuit board, a Bluetooth module and an audio decoding module are arranged on the circuit board, the Bluetooth module is used for being in Bluetooth wireless connection with terminal equipment and receiving audio data output by the terminal equipment, and the audio decoding module is coupled to the Bluetooth module so as to receive the audio data; the audio interface is electrically connected to the audio decoding module, the audio decoding module is use