You don't need an app or Bluetooth. Just plug it in and play: Simple to use. It comes with both a sender and a receiver. It will automatically pair after you press the power button. Just put it in and play. Clean up the cables. can make films and music of high quality at any time and in any place. Designed for people who like to record videos, like vloggers, bloggers, YouTubers, podcasters, interviewers, and more.
【Connector with Wide Compatibility】: The wireless lavalier microphone works with all iPhones, iPads, tablets, and phones with a Type-C connector.
The sound quality is great thanks to "Advanced Multi-level Noise Cancellation and Real-time Crystal Voice Syncs." It provides professional full band audio at 48 kHz stereo CD quality, lets you mix multiple channels in real time, and can sync the background music for the phone with your voice in real time.

Note: 

1. After recording, please unplug the receiver  on your phone to watch the video or listen to the recording.Otherwise it will have no sound.

2. It is normal to have no icons on the phone. Please note this is a pickup microphone, not a speaker microphone.

3. For the Android version, before using the microphone, you need to turn on the -USB debugging- function of your phone. If you don’t know how to find- USB debugging-function, You can go to Google to search how to open the phone - USB debugging- function according to your phone model.

One Mic Package Included:
1 x  Microphone               
1 x Receiver                            
1 x Charging cable
1 x User Manual