When I open the battery compartment of the receiver, there is a piece of insulating paper inside, should I remove it?
Yes, Please REMOVE it before use it or recharge the receiver, The insulating paper is used to protect the battery from losing power before use. When charging, the indicator light is red, shows blue when full charged.
It seems I can't charge the receiver? Is the receiver bad or defective?
No, it's because there's a piece of insulating paper inside that receiver, and you need to open the battery compartment of the receiver, remove the insulating paper, and it will charge and work properly.
Is this wireless microphone easy to use? I saw a description that said it was plug and play.
Yes, very easy to use. Just install AA batteries to the microphone, and then turn on microphones, receiver and speaker devices, Plug the receiver into the speakers, you can start singing.
What are the strength of 2.4G wireless microphones compared to other UHF microphones?
Superior interference immunity and transmission distances of up to 200ft. More stable wireless transmission and stronger signals. Minimize sounds latency.
Is this wireless microphone rechargeable or battery powered? And the receiver?
When I open the battery compartment of the receiver, there is a piece of insulating paper inside, should I remove it?
It seems I can't charge the receiver? Is the receiver bad or defective?
Is this wireless microphone easy to use? I saw a description that said it was plug and play.
What are the strength of 2.4G wireless microphones compared to other UHF microphones?