2.4G 1 to 2 Wireless Microphone Noise Cancelling Lavalier Microphone

1 drag 2 double marks 62g1 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