BLUETOOTH 5.3: 144 language translator device features Bluetooth 5.3 connectivity, intelligent noise reduction, and a high capacity battery for ultra long life. Translation speed is only 0.2S. Fully compatible for Android, for IOS, for windows. 3 TRANSLATION FUNCTION: Touch mode (two people each wearing a headset, click or double click to translate in real time). Outgoing mode (one person wears headphones, one person holds the cell phone). Free speak mode (two people each wearing a headset). 144 LANGUAGES: Support more than 144 languages online translation (free of charge for one year), independent research and development to build the translation engine backstage, so that talking is more effective and convenient, and there will be more small languages in the future to continue to update. BINAURAL FINGERPRINT CONTROL: Binaural fingerprint control, touch the headset to realize different functions such as cutting songs and calls. Stereo sound system, listening to songs, calls, games have been improved, so that the sound of 360 degree full coverage of your auditory experience. EASY TO USE: Download the APP according to the instruction manual that comes with the goods, set the language you need to translate and the target language, say what you want to say and you can translate.