1. The mic is a real UHF working band system,the working frequency can be change,sound is very good, and good for outdoor use, and it is small and easy to bring and use. 2. UHF Working Frequency adjustable: 931MHz-937MHz 3. 1/4 output connector 4. Frequency IR match function automatic 5. 30-60M working distance 6. Tranmitter & receiver build in rechargable battery
