Wooden Earbuds Review RF3 LIVE – Choose radiation Free. Wooden ear buds are a natural sound conductor, being made from natural, biodegradable and recycled materials. The headphones are great as there is perfect clarity from the lowest to the highest registers available. They isolate outside noise, and are the best radiation free earphones on the market. The RF3 Live headset eliminates these risks by blocking both RF energy and EMF. Here is how they do it, by using AirCom technology, which is sound delivered through an air tube. It’s very much the same way a stethoscope works. Hence, this results in a natural balanced audio. We know that radiation comes from our cell phone. So be hip and be cancer free!