Instructions for use
Instructions:
1. Plug the receiver into the microphone input of the speaker or amplifier;
2. Turn on the receiver power switch:
3. Turn on the power switch of the handheld microphone (install a 18650
battery).

FM operation:
1. If you need frequency modulation, please operate with the receiver turned
2. When FM, just press the FM switch to adjust to the next frequency;
3. To operate on the frequency, turn on the power switch of the handheld miccrophone and the receiver at the same time, wait for about 3 sec when the signal light of the receiver flashes, the connection is successful.
4. Multi-channel use: simultaneously press and hold the switch of the microphone and the SET button for about 8 seconds, the screen will display a horizontal line to lock the receiver.
5. In multi-channel operation, other receivers and transmitters need to be turned off at the same time, and only the receivers and transmitters need to be paired are reserved.

Troubleshooting:
1.When there is no sound or the sound is weak, first check the power supply the to ensure that the receiver is connected properly, the handheld microphone has sufficient power, and the battery is instead in the correct way. When the power is normal or the sound is faint , please increase the volume of the speaker or amplifer.

2.When there is distortion or excess noise,check whether there are noise, ering devices nearby,, such as CD players, computers, digital devices,earplug nonitoring systems, etc., try to remove the device first. If m s are used,  the frequency interval between the systems increased.

Specifications
Pickup method: Dynamic
Frequency Range: 500MHz-900MHz
Bandwidth: 50MHz
Maximum deviation frequency: +48KHz
Modulation: Digital modulation
Number of channels:  30 group 
Frequency response range: 50Hz~15KHz
Signal to noise ratio (S/N): >95dB
Receiver voltage: 3.7V / 18650 lithium battery
Transmitter voltage: 1.5V/ (2 AA batteries )
Working distance: 30M (Ideal environment)

สั่งซื้อผ่าน SHOPEE : https://shopee.co.th/product/124207834/14695589513/

สั่งซื้อผ่าน LAZADA : https://www.lazada.co.th/products/i4303870745.html?spm=a1zawg.24863640.table_all.21.1f1f4edfzyz895