2.4G 1 to 2 Wireless Microphone Noise Cancelling Lavalier Microphone

1 drag 2 double marks 62g 1 tow 1 single mark 55g ● Bluetooth 2.4G private transmission protocol ● Adaptive frequency hopping, strong anti-interference / stable signal / long distance ● Automatic pairing, plug and play ● Very low delay, delay <20ms, audio and video synchronization ● Power consumption of the whole machine: transmitter <15mA, receiver <25mA ● Supports slow charging or fast charging of mobile phones (charging while recording) ● Built-in 360-degree omnidirectional high-definition high-sensitivity microphone ● Good compatibility, supports mobile phone/computer/tablet at the same time ● The transmitter has a built-in 70mAh rechargeable button battery, which can last for 4-6 hours ● Frequency response: 20HZ-20KHZ ●Sensitivity: -30dB ●Signal to noise ratio: -65dB ●Transmission distance: 20 meters