?Wide Compatibility and Service?The wireless lavalier microphone system are perfect for vlogs, TikTok creators, YouTubers, live streaming, and more. This item includes lifetime technical support. To replace or for a refund, contact us directly, as we provide exceptional customer tech support. ?Working Time and Portable?The wireless lavalier microphone has a built-in 400mAh rechargeable battery with a quick charging time of 1.5 hours and a working time of up to 5 hours, ideal for a long recording option. The lavalier microphone is also lightweight and easy to carry as a single transmitter and receiver weigh only 22 grams. ?Real-time Monitoring and Mute Control?The wireless microphone receiver end retain a 3.5mm headphone jack with a real-time monitoring function, which can test whether it works properly to record the complete recording process. And mute control ensures that the lavalier microphone works efficiently and stably. ?Dual Channel with Mono/Stereo Mode? The wireless lavalier microphones come with dual transmitters and one receiver that can support mono/stereo output switching for easy audio post-processing, making it better for interviews, recordings, and live broadcasts. The high-contrast TFT display screen can show recording mode, battery status, audio level, and gain, more intuitively, under the environment of different lights. ?2.4G Bluetooth and Noise Reduction?With a 2.4 GHz global wireless frequency band, no interference, no lag, and no signal loss, the effective distance of the wireless lavalier microphones is up to 164 feet. The wireless mic has a built-in professional, intelligent noise reduction chip, which can effectively filter noise, provide high-fidelity sound quality, make the recorded audio more smooth, even in complex situations, and record clear and reliable audio.