How to Enable, Disable, and PIN Protect Voice Purchasing on Your Amazon Echo
 

There’s a whole host of tricks your Amazon Echo is capable of and, among them, is a pretty neat one: you can order products right off Amazon using voice commands. Read on as we show you how to enable it, disable it, and add a PIN protection code to the ordering process.

http://www.howtogeek.com/237386/how-...r-amazon-echo/