T1 is our standard model with a 4.0-inch large screen, more functions, and better performance, compatible with multiple scenarios such as travel and business. It provides 2-year free mobile data globally. In addition to One-Click Translation and Photo Translation, there are other functions like Chat Translation, Listen Mode, Voice Memo, etc. T1 mini is also a handheld translator device but specially designed for travel scenarios. The screen is 2.8 inch only, which is smaller and more portable. It provides 1-year free mobile data globally. Its major functions are voice translation (One-Click Translation), Photo Translation, and offline translation.