1. Digital 2.4 GHz and automatic pairing: Adopt 2.4 GHz spectrum and synchronization technology to avoid UHF domain confusion and provide a safe, stable and simple audio system. It supports automatic connection of TX and RX after power-on, and the manual pairing operation is simple. 2. 50m transmission and DSP technology: transmit stable anti-interference signals, up to 164 feet/50 meters long distance (LOS), 12.5 milliseconds low latency. Integrate DSP technology, which can optimize audio instantly, efficiently post-processing and provide high-quality audio performance in live broadcast. 3. Low-cut filter and mono/stereo output: 180Hz low-cut function can filter out specific low-frequency noise, such as wind and traffic noise, to obtain a clear sound output. There are mono/stereo modes to choose from, which is convenient for post-processing. 4. Real-time monitoring and 4-level gain adjustment: The receiver has a 3.5mm TRS headphone jack, which can control the recording effect during real-time shooting. The 0-4 level receiver gain setting has an adjustment range of up to 8dB, which can optimize the signal level simply and effectively. 5. Long working time and indicator light: Built-in 400mAh lithium battery, it can work for up to 8 hours after being fully charged. 6. The receiver has a back clip, which can be connected to a mobile phone/SLR camera, etc. 7. The transmitter has a back clip, supports built-in microphones and external lavalier microphones 8. 360-degree omnidirectional pickup 9. Weight: 35 grams 10. Dimensions: 50 x 44 x 20 mm