?Long Working Time & Indicator Lights?With a built-in 400mAh lithium battery, G1(A2) works up to 8 hours after a full charge. Compare to those non-rechargeable AAA battery microphones, it's more convenient and Environmental protection. It supports charging while recording and charging three devices( 2TX+ RX) via one power supply. Power and pairing indicator lights on TX and RX inform working status like power, charging, pairing, and noise reduction function. ?Three Modes Output?SYNCO G1(A2) especially boasts Mono/Stereo/Safety Channel modes for choices, easy for post-processing.New Upgraded Safety Channel Mode avoids sound blasting and howling for more protection. ?Mute Function & Real-Time Audio Monitoring?Instead of frequently turning on/off the wireless microphone, simply press the SYNCO G1(A2) transmitter's power/mute button to pause audio recording if you need during filming. Additionally, with a 3.5mm TRS earphone jack, the receiver enables real-time audio monitoring and playback of sound from your smartphone. ?Noise Cancellation & 4-Level Gain Adjustment?Superior sound quality! SYNCO G1(A2) could filter out noises like wind and traffic noises for clear sound output by One-Touch Noise Cancellation. 0-4 level receiver gain settings with adjustment range up to 8dB allow simple and effective optimization of signal levels. ?150m Transmission & DSP Technology?SYNCO G1(A2) two transmitters to one receiver transfer stable and anti-interference signals up to 492ft/150m long-distance(LOS) with 12.5ms low latency. SYNCO G1(A2) wireless lavalier microphone is integrated with DSP technology to optimize audio instantly, which is efficient in post-processing and offers a high-quality audio performance in live broadcasting. ?Digital 2.4GHz & Auto-Pairing?SYNCO G1(A2) Wireless Microphone System features 2.4GHz frequency spectrum and Syncoder technology, which avoids confusing domain of UHF and offers a secure, stable, and hassle-free audio system. It supports the automatic connection between TX & RX after power on and easy operations if you need manual pairing.