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