BY-V series is a mini 2.4GHz wireless microphone system that provides high-quality sound for live streaming, vlogging, course recording, and other audio capturing app lications.With an MFi Certified Lightning output.<br> BY-V1/V2 is designed for Apple iOS devices.<br> BY-V10/V12 is compatible with most Android devices with USB-C ports, including smartphones and tablets Ultracompact &amp; Lightweight The BY-V series is compact, lightweight, also convenient to carry, with a transmitter weight of 9.5g as well as a receiver weight of 6g. It's easy to use, simply plug in the receiver to start recording immediately. Simultaneous Live Broadcasting &amp; Phone Charging A USB-C charging port is designed on the side of the BY-V series receiver. During recording, if your device needs to be charged, you can charge it by connecting to this USB-C port. Charging while recording is especially suitable for long recording sessions, such as streaming, course recording, etc. Noise Cancellation Improves Audio Quality The BY-V series is ideal for both conventional recording environments as well as noisy environments. The NR button on the transmitter activates the noise reduction mode, filtering out most environmental noise to leave only pure sound. Long Battery Life The battery life of the BY-V series is impressive, the transmitter can work continuously for 9 hours after being fully charged, while the receiver does not need to be charged, eliminating the hassle of interrupting recording to charge the device.