?Built-in Mic & External Lavalier Mic?The transmitter has a built-in omnidirectional microphone, you can clip the transmitter to the collar to pick up the sound, or you can also plug the lavalier microphone into the transmitter's MIC IN input jack for sound capture. Lavalier microphone is included. ?Tiny Mic with HD OLED Dispaly?The transmitter has a vivid and easy-to-read OLED display, which can check information such as battery level, audio input level, output mode, volume, etc. on the screen, and you can precisely adjust the signal transmission.Tap the mute button to mute. ?Real-Time Monitoring & Mono/Stereo Mode ?The wireless mic has a 3.5mm headphone jack on the receiver for real-time monitoring, you can control the recording quality and make adjustments, and select the stereo/mono output mode at the receiver end to meet the recording needs of different occasions and facilitate post-editing. ?328ft Operating Range & 7H Working Time?The BY-XM6 wireless lavalier microphone system uses 2.4GHz frequency hopping adaptation to achieve stable signal transmission up to 328 feet (without obstacles), and up to 7 hours of battery life can support you to record outdoors for a long time. ?Plug-Play Wireless Microphone for Android Phone?BY-XM6 S6 is a 2.4GHz wireless lavalier microphone system consisting of 2 transmitter and 1 receiver. Designed for mobile devices with a USB-C port.No extra cables, APPs or Bluetooth needed,turn on the transmitter, just plug the receiver into your device (Type-C Port) and the microphone will automatically pair and start working.