Two-channel Bluetooth speaker, circuit board PCBA solution, Bluetooth module 5.1 amplifier board, DIY multi-function motherboard

Two-channel Bluetooth speaker, circuit board PCBA solution, Bluetooth module 5.1 amplifier board, DIY multi-function motherboard

  • Model: Two-channel Bluetooth speaker, circuit board PCBA solution, Bluetooth module 5.1 amplifier board, DIY multi-function motherboard