Fashion Wireless Microphone VHF Lapel Headset Microphone

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Dear,thank you for your patience.All order need about 2 weeks in shipping.
Specification:
Frequency response range: 210-266MHZ (Hz)
Distortion rate: 2 (%)
Loudspeaker Receiver: 33.4g
Weight:15.5g
Caller Launcher: 54.6g
The transmitter is a 9V battery
The receiver is a 1.5V battery
Fixed frequency: red light 115.5 green light 111.5
Receiver 6.3 mm plug
Frequency response: red dot 115.5
Effective distance: 20 meters
Ideal for teaching, meeting, and monitoring products.
Transmitter power: 1 x 6 - f22 9 v battery (excluding battery)
Transmitter size: 100 mm x 63 mm x 21 mm

Receiver power: 1 x 1.5 AAA battery (excluding battery)

Note:
1.If the transmitted sound is high or low, first consider replacing the battery. If it is invalid, please send it to the designated service center.
2.If the product is not used for a long time, remove the battery.
3.If the microphone is too close to the receiver, it will generate considerable noise and then damage the product, so try to grasp the distance.