The battery needs to be charged, or if it has just been charged, you need a new battery.
Yes, all Dynapro active and portable bands have Bluetooth.
The best cable for audio devices, regardless of the type of its coating, which is more commercial, is a cable that is sprayed and its material is pure copper.
The answer is definitely no.
Weak battery is the main reason for disconnecting and connecting the wireless microphone, please use an alkaline battery with high amperage (2000 mAh or more).
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