Feasycom FSC-BP104D BLE 5.1 Programmable 10 Years Long Battery Life Dialog DA14531 iBeacon Eddystone IoT 400m Bluetooth Beacon

Feasycom FSC-BP104D BLE 5.1 Programmable 10 Years Long Battery Life Dialog DA14531 iBeacon Eddystone IoT 400m Bluetooth Beacon

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