Bluetooth Speaker PCB Prototype PCB Assembly of Bluetooth PCB with Various Colors Customized Production PCB

Bluetooth Speaker Circuit Board Prototype PCB Assembly Bluetooth PCB Circuit Board Electronic Speaker Customized Production PCB

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Bluetooth PCB

4 Layer Bluetooth PCB Board With ENIG / Blue Soldermask , 5

4-layer Bluetooth PCB with impedance control and thickness of 0.8mm

4-layer HDI Bluetooth PCB board with immersed gold and thickness of 1.6mm

Bluetooth PCB with 4 layers and immersion gold surface finish