1. Turn on the audio power, short press the "Input Select" button to switch to Bluetooth mode
2. Turn on the Bluetooth of the mobile phone, find the device with the relevant name of Bede or Wanlida in the Bluetooth list (the Bluetooth name of Bede audio generally starts with BD, and the Bluetooth name of Wanlida audio generally starts with M+), and click to pair
after finding it 3. If the pairing code prompt (PIN code) pops up, enter 1688
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