Answer 2: Enamel is the hard material that coats your teeth, and is made mostly of a mineral. However, we call other things enamel. There's enamel paint, which is totally different, and there's also porcelain enamel, which is used to make a lot of dishes.
All of this is due to Amazon's unique approach with the Echo. It's not a portable speaker like we've seen from Jambox and Logitech. Instead, it's a rather large, cylindrical device that needs to be plugged into power. It's something you'll likely just leave in a single spot in your home.
Unlike the Echo and Echo Dot, which listen for a âwake word,â Tap users need to press a microphone button on the device before speaking a command. The Tap is also the only battery-powered device of the three; Amazon says it has nine hours of playback time.