1-10PCS DC48V Power Electret Condenser Microphone Amplifier Audio Decoding Board

10pcs DC5V Bluetooth Decoding Board Audio Receiver Board Stereo Music Module

2pcs TF MP3 Card U Disk Format Decoder Amplifier Decoding Audio Player Module-

Wide Compatibility Decoding Supporting 32k 192k 2 Channel Auditory

10PCS GD32F150K8U6 QFN-32 ARM Cortex-M3 32-bit microcontroller-MCU chip

10pcs DC5V Bluetooth Decoding Board Audio Receiver Board Stereo Music Module

VHM-314 MP3 Lossless Decoder Player Module +Audio Amplifier Audio Decoding Board