I was so happy. All the day, I want to say "You are a Genius! You are really a Genius!" I never expect the device are so powerful! My original intention is that I need a good Fluency shaping-small Basics first then with your device, I can speak fluently. But now, I have not get any treatment, after I use your device, I speak fluently immediately. Before I get your device, I was upset all days. Today I cheered very much, I have tried many place. I speak in phone, I have very fluency, I tried it to speak with many people, I still very fluency, I am really so happy! I feel confident, I have Self efficacy. My depression reduces a lot. You are very Truly responsible and Thoughtful for your customer you even do a Chinese guidance to me, thank you for your all kindness!