How to check the SN info on the device

OVERVIEW: Each unit of the Hollyland device has a certain and unique series number. The following is the SN schematic diagram of the Hollyland product.

Wireless microphone

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RX (receiver) and TX (transmitter)

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Charging Box

Wireless Video Transmission System

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Transmitter (TX): 00XXXXT XXXXXXX

Receiver (RX): 00XXXXR XXXXXXX

Wireless Intercom System

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Belt pack

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Base Station