With the by-xm6-k4 microphone system, you can create vlogs and livestreams with high audio quality. The by-xm6-k4 consists of 2 transmitters and 1 receiver. With the 2 microphones, it is ideal for recording a conversation between 2 people. It is also possible to use only 1 of the 2 microphones. Just plug in and record! The stable 2.4 ghz frequency band ensures stable sound. Under ideal conditions you have a range of up to 100 meters between transmitter and receiver. You charge the transmitters and receivers with the supplied charging case. You can take this cargo bag with you everywhere. No cables are needed for charging. Just put the transmitters and receivers in the case and they will charge instantly! Then check the charging status with the current indicator on the charging case. Thanks to the 7-hour battery life, you can record all day long. Are you done with the recording? Then you just put this boya microphone set in the charging case to recharge the batteries. Ideal if you continue with your recordings! The sound is recorded from your iphone or ipad. To do this, connect the receiver to the lightning port of your ios device. The microphone set is ready to use out of the box; with both audio and video apps. You simply start your video recording with the standard app for ios/ipados. This way, your recordings will automatically have the sound of the microphone. Application boya wireless microphone set by-xm6-k4 you can listen to your recordings live via the 3.5mm connector. Connect any headphones to it. The transmitter has a built-in omnidirectional microphone. You attach the clip on the back of the transmitter to your neck to record your voice directly. It is also possible to connect a lavalier microphone via the mic in connector. The by-xm series comes as a complete set, including lavalier microphone and charging cable.