How to pair RETEKESS TR504 transmitter and PR13 receiver?

The operation is very simple First, adjust the frequency point that the TR504 transmitter wants to use Then adjust the frequency of the PR13 receiver to the frequency point of the transmitter When the frequency points of the two are the same, the pairing can be completed Speak at the transmitter and the receiver can hear it. TR504-PR13: Retekess official contact information: retekess Official Store: RETEKESS EUROPEAN Store: Retekess RU: Email: ali-express@ WhatsApp: 86 15638550861 Facebook: Facebook: Instagram: