Product details of BOMGE Dual Wireless Microphone System Headset Mic/Stand Mic/Lavalier Lapel Mic with Rechargeable Bodypack Transmitter & Receiver 1/4″ Output for iPhone, PA Speaker, DSLR Camera, Recording, Teachi***** COMPATIBLE DEVICES:
Wireless receiver with universal 1/4? plug works with mixers, PA speakers, karaoke machines w/ 1/4 MIC IN for voice amplifying and phones, laptops, DSLR cameras (with adaptor included) for recording. ( It is not recommended to use the microphone on the cell phone even with the adapter).

***** AUTOMATIC CONNECTION:
The microphone and receiver can be quickly and automatically connected within 50m distance, without manual setting, it is very convenient to use.

***** SELECTABLE FREQUENCIES: With 25 selectable UHF frequencies, less prone to electric appliance interference and offers stable signal transmission and allows multiple sets working together without interference.

***** MADE OF METAL AND EASY TO CARRY:
Both the microphone and the receiver are made of metal, it is stronger and more durable. Also because of its small size, it is easy to carry, you can put it in your pocket, and take it anywhere.

***** RECOMMENDED USES:
It is suitable for home, audio recording, interview, outdoor performance, concert, exhibition, conference, meeting, at church, etc…
* AUTOMATIC SYNCHRONIZATION OF TRANSMITTERS
This equipment has automatic synchronization so you may have difficulties using several equipment of this model at the same time