high quality Extended Battery Life and Long-Range Transmission: Built with dual microphones (0.3oz each) and up to 14 hours of continuous recording on a single charge, and the charging case providing an additional 42 hours of use, the microphone is built for long recording sessions. It supports unobstructed transmission up to 300ft Range, providing stable, clear audio even during extended recording sessionsQuick Auto-Pairing, No App Required: Remove the microphone from the charging case. Insert the transmitter into your phone's port and it will automatically pair with the RX receiver without the need for Bluetooth or app setup. If your phone runs low on battery during filming, you can connect an external power source through the RX receiver's input port to charge your phone and ensure uninterrupted recordingMulti-Mode Functionality: The microphone offers multiple sound modes, including noise reduction, original sound, reverb, and mute. Easily switch modes with the MFB button, and enjoy low latency for precise lip sync, simplifying post-production. The LED indicator on the receiver clearly displays the current mode, while the charging case screen shows the remaining battery level, helping you manage your work effectivelyProfessional Hi-Fi Sound Capture: Experience 48kHz/24bit studio-grade audio recording, capturing every detail with precision. The 70dB signal-to-noise ratio (SNR) ensures clear audio even in noisy environments. With a 112dB sound pressure level (SPL), it records loud sounds without distortion. Advanced HD Noise Cancellation 2.0 minimizes background noise, making it perfect for streaming, interviews, and high-noise recordingsCompatibility Notice For optimal performance, avoid using adapters or bulky phone cases, as they may hinder the mic receivers connection. Please confirm your devices compatibility with the selected microphone model before purchasing.Ultra Portable and Hands Free: Designed for ultimate convenience, this lightweight microphone clips effortlessly onto your clothing or attaches securely with the magnetic option, providing hands-free, high-quality audio recording anytime, anywhere. Whether you're vlogging, streaming, or conducting interviews, its seamless setup makes it a go-to solution for creators and professionals who need flexibility on the move Battery Calibration The charging case display may take a few cycles to show the correct battery level. This is normal for lithium batteries, especially for new units. Charge both TX units at least twice to ensure accurate readings.