I have been doing more and more public speaking and find that I am really hindered by having to hold a microphone. What are my options for my own wireless mic? Do i need to get a whole system or will most of them work with existing PA setups? I don't mind being wired (as long as I can move around) i just really hate holding anything in my hand because I talk with my hands a lot. Like a puppeteer but not as weird, Thanks.