Testing... Testing...1,2,3. Yep, radios are made to talk on, and that's kind of hard to do without a microphone. Mics for handhelds and mobiles and there's even some big, fancy desk mics for those of you who are into that sort of thing.
Oh yeah, and there are some speakers in here too. They're there somewhere, just look around a bit. Hearing is another big part of radioing. Speakers are great for that.