Features: 2-way Instant Translator: 2.4G wireless connection, supports 2-way language translation, designed for language learner, businessmen, tourists, sojourners, etc. Easy Operation: Scan the code on the manual and download the app, install it on your Android/ IOS mobile phone, then start to use it. The device must work with the app. Support Multi Languages: More than 30 languages for option. Select 2 languages (A and B) at one time through the app. No longer get into trouble when traveling abroad or dealing with foreigners. Speech Translation: Just press the A button and start talking, then release the button it will automatically translate your speech into B language. On the contrary, press B button, it will translate your speech into A language. Text Translation: You can type the contents you want to translate by keyboard and translate it into another language. High Recognition Ability Accuracy: Built-in dual microphone, one is for voice sensing and the other one is for denoising. Lightweight Strong Battery: Easy to carry, supports long-time use.