NOISE REDUCTION: Translator earphone features5.3 connectivity, intelligent noise cancellation, and a high capacity battery for ultra long battery life. Stereo sound system for full 360 degree sound coverage of your listening experience. 3 TRANSLATION FUNCTIONS: Touch mode (two people each wearing a headset, click or double click to translate in real time). Outgoing mode (one person wears a headset and one person holds the phone). Free speech mode (one headset for each of two people) Translation speed is only 0.2S. EASY TO USE: Language translator earbuds are easy to use. Download the APP according to the operation manual, set the language you need to translate and the target language, say what you want to say and you can translate. 144 LANGUAGES: Translator earbuds supports online translation in 144 languages (free for one year), independent research and development to build the translation engine background, and more small languages will be updated continuously in the future. BINAURAL FINGERPRINT CONTROL: Wireless translator device is fully for IOS. Binaural fingerprint control, touch the headset to achieve different functions such as cutting songs and talking.