Note:
1.Please check and disable the computer's built-in Bluetooth before installing the driver.
2.If there is no picture of the product you purchased, can download it according to the model.
  Bluetooth V5.0: DG54 / DG12 / DG73 / DG74 / DG69
  Bluetooth V5.1: BT505 / BT506 / DG623 
  Double Antenna Bluetooth V5.1: Z01 / Z03

 

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