Transmission frequency: 87.0 Mhz to 108Mhz
The built-in polymer battery, not only can be used repeatedly charging, and light weight use safety.
Super multi-channel optional, will not interfere with each other 200 optional channel!
There is no limit on the amplification products, mainly to accept FM radio signals and electronic equipment with audio playback function can be used instantly into a megaphone.
Widely used: teaching, tour guide, sales promotion, lectures, meetings, karaoke, fans singing and so on purpose.