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Hi-link BLE5.0 Wireless Bluetooth Module HLK-B26 Master-Slave Integrated Serial Port Transmission Test Kit/test board

Hi-link BLE5.0 Wireless Bluetooth Module HLK-B26 Master-Slave Integrated Serial Port Transmission Support APP Low Power Consumption

Master&slave Bluetooth Module Serial Port Transmission BLE5.1 HLK-B40 Test Board

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