Bidirection Simultaneous Translation：WT2 Edge translator device offers true two-way simultaneous translation by using wifi or cellular network. With Timekettle WT2 Edge language translator, you can speak non-stop and translation will be played in other person's ear in as little as 0.5 seconds, highly improving communication efficiency - the way conversations were meant to be. No more awkward pauses, only fast and accurate translations, so you can immerse yourself in the art of conversation. High Accuracy and Smart Noise Reduction: WT2 Edge language translator device is powered by world’s multiple leading translation engines (DeepL, Google, Microsoft, iFlytek, etc) and Timekettle own. WT2 Edge translator earbuds use these engines' strength and combine them to deliver a truly world-class comprehensive translation experience. To make translation even more accurate, WT2 Edge earbuds use smart noise-reduction to filter out distracting background noise, ensuring the message isn’t muddied.