1、144 LANGUAGE TRANSLATION: Translator headphones support online translation in 144 languages (free for one year), equipped with professional translation engine, more effective and convenient, and more small languages will be continuously updated in the future. 2、REAL TIME TRANSLATION: The translator headphones support face to face, multi language real time translation, download the APP according to the operation manual, set up the language and target language that needs to be translated, and say what you want to say to be translated. 3、THREE TRANSLATION MODES: Touch mode (two people each wearing an earphone, click or double click to translate in real time). External playback mode (one person wears the earphone and one person holds the phone). And free speaking mode (two people each wear an earphone and translate in real time). Translation speed is only 0.2S. 4、MUSIC FUNCTION: This translation headset is also a music headset, compatible with for Android, for IOS, for windows system. Binaural fingerprint control, touch the headset to achieve song switching, calling, etc. Stereo system, intelligent noise reduction, to bring you an immersive music listening experience. 5、WITH CHARGING CASE: Bluetooth 5.3 translation earphone with a charging case and built in high capacity battery for ultra long battery life. With battery level display, convenient for you to grasp the remaining power, to avoid the embarrassment of suddenly running out of power.