Universal Wireless System: BY-V4 wireless lavalier microphone offers freedom from wires, allowing seamless recording, shooting, and video production in various scenarios. The lapel microphone wireless has a 360° rotatable clip for easy attacModazoneent to your clothes, giving you hands-free recording capabilities. With 2.4GHz wireless transmission technology and a stable audio signal range of up to 650 feet, you can capture clear recordings and shoot videos from greater distances, both indoors and outdoors Plug and Play: Enjoy a hassle-free setup with our plug-and-play wireless lavalier mics. Remove the wireless lav mics from the charging case—no need for adapters, Bluetooth, or applications. Compatible with Cameras DSLR Camcorder,etc Intelligent Noise Cancellation: BOYA BY-V4 microphone kit features dual noise cancellation. The wireless lapel microphone allows easy one-click control of noise cancellation on the transmitters. Meticulously equipped with an advanced foam windscreen that highly restores your voice. With a signal-to-noise ratio of 80dB and a 48kHz/16bit sample rate, it ensures high-definition, lossless audio recording. The tiny microphone reduces background noise and delivers clear, crisp audio in any environment Smooth switching between 2TX and 4TX: The V4 wireless mic for camera receiver supports two recording modes: 2TX and 4TX. You can switch between them using the Mode Switch and Pairing buttons on the receiver. Note: Switching between 2TX and 4TX modes is only possible when the receiver is connected to the camera via a 3.5mm audio jack Hi-Fi Studio-Grade Sound Quality: The lav mic records in a 48kHz/16bit audio format, capturing sound with precision.With an 80dB signal-to-noise ratio, it delivers clean audio with minimal background interference.It can also handle up to 120dB Sound Pressure Level, making it ideal for recording in environments with loud or high-pitched sounds Extended 12H Battery Life: The wireless clip-on microphone provides up to 6 hours of working time when fully charged. The compact charging case can fully charge the entire set twice, with each charge taking 2 hours. With the charging case, the mobile version has a battery life of 12 hours. No more worrying about low battery situations