With this sound amplifier, you can now hear things crystal clear that you could never not before. Spy ear is very easy to use, just put the ear buds in your ears - aim the Spy Ear towards what you want to hear and listen-in. Spy Ear has adjustable volume control, which amplifies sound up to 50 decibels. You can listen to conversations across a room, and gather all the gossip!! Spy ear is also great for watching TV late at night, while your spouse sleeps you can keep the sound on the TV way down and still hear clearly. Spy Ear makes a Great Christmas gift for hours of fun.