Wireless earphones with a 400mAh battery that allow for 8 hours of continuous translation. - Product Name: AI Earphone - Brand: VTrans - Battery Capacity: 400mAh - Continuous Usage Time: 8 hours - Charging Time: 1.5 hours 【Two-Way Simultaneous Interpretation & Faster Translation】The earphone translator employs directional noise reduction technology and innovative AI semantic judgment technology, allowing you to seamlessly hear the translation of the previous statement as the other person begins to speak the next sentence. Enjoy a better translation experience that rivals professional interpreters! Simply wear one earphone each and speak with the dedicated app connected, doubling the conversation efficiency compared to human interpreters. 【Supports 150 Languages】The translation earphone device supports online real-time translation with 98% accuracy, covering most countries and regions worldwide. 【Portable & Quick Charging】Supports 1.5-hour quick full charging (Type-C charging). Small, lightweight, and easy to carry. In-ear earphones that put less strain on the ears, designed to be comfortable even for long periods of use. 【Dedicated App & Bluetooth 5.4 Support】The "VTrans" app can be used on smartphones and tablets with iOS (12.0 or later) and Android (7.0 or later). Directional noise reduction technology and Bluetooth 5.4 improve environmental noise and communication connection issues (skipping, delay, etc.) that conventional earphones have, allowing for more natural and comfortable conversations (translations). If there is no network, you need to download an offline language pack. 【Easy Communication with Four Modes】The wireless translation earphones have simultaneous interpretation mode, speaker mode, touch mode, and photo translation mode, allowing you to select the appropriate mode depending on the situation. 【Offline Translation Support】By downloading offline language data to the app, you can use the translation function even in environments without a communication environment, such as on an airplane. 【In-App Purchases】For online models, you will need to purchase an offline translation package within the app to use the offline mode. Offline supported languages: Chinese, English, Japanese, Korean, Traditional Chinese, French, Spanish, German, Russian, Thai.