Built-in Mic and
External Lav Mic: 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. 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
Portable Charging Case: The charging case is lightweight and compact, easy to carry outdoors, and can fully rechargeable for 2 transmitters simultaneously (2 times). The charging case can be fully charged in 4.5 hours, and the power indicator light allows you to easily check the battery capacity and charging status