Dual Rechargeable Pro Handheld Wireless Mics Cordless System with Echo, Treble, Bass & VOL Control for Karaoke, Singing, Church & Party, 1/4'' Output, Grey&Red

For Battery Information, both the microphone and the receiver have built-in rechargeable batteries. When full charged, microphone working time about 8-10 Hours, receiver working time about 4-5 Hours.
For Transmission Range, the wireless microphone has a reachable range of up to 164 feet (Outdoor), and its 2.4GH z frequency range complies with the FCC regulations.
Package List Includes: rechargeable wireless microphones x2; receiver x1; charging cable x2; microphone windscreen x2; antiskid ring x2; user manual x1. Genuine Wireless Microphone products come with supportive 24-Hours After-Sales Customer Service, 12-Month Manufacturer Assurance.

Dynamic Cardioid Rechargeable Wireless Microphones
Rechargeable Wireless Microphones are well-made cardioid wireless mics which means they pick up noise unidirectionally(Only when we speak towards the top of the microphone will there be a sound, while there will be no sound when speaking on the side). With this pickup pattern, the directional vocals are easy to isolate from background noise.
How to check whether the microphone and the receiver have quality problems?
First Check the normal working status of microphone and receiver: 1. Receiver power Indicator is on; 2. Microphone power Indicator is on; 3. Receiver RF Signal Indicator A, B is on(Means microphone A, B have connect with receiver rightly). If all yes, it means microphone and receiver device have no quality problem, can work normally.
How to reset the microphone and the receiver connection (Repairing)?
Power on the microphone, then press the power button of the microphone for 4 times quickly, the led display of microphone will flash and reset, then automatically connect with receiver again. Please notice the microphone RF indicator on receiver. If you encounter that both microphone and the receiver can power on, but "the microphone cannot connect to the receiver" or "the microphone has no sound", you can try to reset the connection between the microphone and the receiver and let the product can work normally.