Rivo is a powerful device designed to use the smartphone more freely. Composed of 12 buttons in the middle like a telephone keypad, there are 4 additional buttons on the left and the right. The size is like 10 credit cards stacked on top of each other weighing just 55g. It connects to your smartphone and works as if it is the same smartphone with buttons. You may use your smartphone more freely and confidently with real buttons; use the smartphone kept in the pocket conveniently during outdoor activities, compose text messages, make and receive phone calls, and talk to Siri. Please visit rivo.me/en for more information.