1、[Dialogue Translation and Al Translator] Dialogue mode, one person with one earphone, without any operation, direct dialogue, can translate while talking. AI translator mode, one person with earphone, one person with cell phone, can ask for directions, order food.2、[Chat Mode] One person with one earphone, operate the earphone or speaker button to have a conversation. Click (some earphones short press or double click) earphone microphone recording, double click (some earphones long press or three clicks) cell phone microphone recording.3、[Simultaneous Interpretation Mode] This BT translator earbud also supports simultaneous interpretation, you can watch the supported foreign language movies or courses, put the phone close to the sound source, real time simultaneous translation.4、[Long Battery Life] The translation earbuds can play 4 to 5 hours, with the charging bin, can use a full day, 24 hours long battery life, translation time longer, go out without worrying about power. Suitable for travel, business trips, etc.5、[Multi Language] BT translation earphone supports 144 languages translation, professional translation engine background, so that communication more effective and fast, the future more small languages will continue to update to the background. 6、[Interchangeable] Binaural HD microphone, clear and anti interference calls. The left and right translation earphone will not be broken by random switching. BT 0 master slave switching chip, easy to translate or listen to songs.