Ultra-high quality sound recording
Suitable for mobile phones, DSLR cameras, camcorders, computers and other devices
Lightweight and easy to transport
Comes with a hard case 
Standard shoe connector for cameras
Up to 60m operating distance
Transmitter and receiver run on two AAA batteries
The BOYA BY-WM4 Pro-K1 microphone system is a new generation 2.4GHz wireless microphone with a dual channel receiver. Great for interviews, vlogs and other audio recordings.
The kit includes TRS and TRRS cables that can be used to connect a microphone to mobile devices, DSLR cameras, camcorders, computers, and more.
Microphone operating distance - up to 60m. (without bran). The 2.4 GHz frequency used will ensure that sound is recorded with the least possible delay.
 

1 x Transmitter
1 x Receiver
1 x pScrap-on microphone
1 x 3.5 mm to TRS audio output cable
1 x 3.5 mm to TRRS audio output cable
1 x Cold shoe connector
1 x Hard case