The BY-XM6-S1 Mini from Boya is a compact, wireless microphone set. Cables and batteries are not required during recordings, making the BY-XM6-S1 Mini quickly ready for use. The transmitter with built-in microphone of the BY-XM6-S1 Mini clamps onto the clothing of the person you want to capture. In addition, the built-in battery provides power for up to six hours. The sound is recorded by your iPhone or iPad. To do this, you plug the receiver into the Lightning port of your Apple device.