【Bidirectional Simultaneous Interpretation & Translation Speed Up】The earphone translator adopts directional noise reduction technology, and with innovative AI semantic judgment technology, you can seamlessly hear the translation of what was previously said as soon as the other person starts speaking the next sentence. Enjoy a better translation experience that rivals professional interpreters! Simply wear one earphone each, connected to the dedicated app, and speak. This doubles the conversation efficiency compared to human interpreters. No more trouble with delayed translations during long conversations (meetings, classes, etc.)! [Supports 150 Languages] This translation earphone device supports online real-time translation with 98% accuracy, covering most countries and regions worldwide. Ensures all conversations flow smoothly and effectively. 【Portable & Quick Charging】Supports rapid full charging in 1.5 hours (Type-C charging). Compact and lightweight, easy to carry. In-ear earphones with less burden on the ears, designed to be less tiring even with long-term use. Please be sure to use the genuine charging cable to charge the product. 【Dedicated App & Bluetooth 5.4 Compatible】The "VTrans" app can be used on iOS (12.0 and later) and Android (7.0 and later) smartphones and tablet devices. Directional noise reduction technology and Bluetooth 5.4 improves on traditional earphones' environmental noise and communication connection issues (like skipping and delay), allowing you to enjoy more natural and comfortable conversations (translations). If you don't have a network, you'll need to download the offline language pack. 【Easy Communication with 4 Modes】Wireless translation earphones have Simultaneous Interpretation Mode, Speaker Mode, Touch Mode, and Photo Translation Mode, allowing you to select the appropriate mode according to various scenes. [Offline Translation Support] By downloading offline language data to the app, you can use the translation function even in environments without communication, such as on an airplane. Regarding in-app purchases: For the online model, if you wish to use offline mode, you will need to purchase an offline translation package within the app. Offline supported languages: Chinese, English, Japanese, Korean, Traditional Chinese, French, Spanish, German, Russian, Thai Brand new and unused. Immediate purchase welcome!