【Real-Time Translation via App】Supports over 200 languages and accents with real-time voice translation. Seamlessly communicate in more than 200 countries and regions. Basic translation features are free for life via the VTrans app. 【Hi-Fi Audio & Crystal Clear Calls】Enjoy high-definition sound, dual-channel stereo calls, and smart noise cancellation function. 【High Accuracy & Fast Response】Powered by advanced AI and optimized servers, delivers up to 98% translation accuracy with response times as low as 0.5 seconds. 【Comfortable & Travel-Ready】Ergonomic earbuds for long-term wear without discomfort, perfect for business meetings, travel, language learning, or daily communication. 【Long Battery Life with Safe Charging Case】Includes a 400mAh high-performance lithium charging case for extended use. Smart circuit protection ensures safe and reliable charging. Specifications: Bluetooth-compatible version: 5.4 Chip: 7003D4 Working time: 8 hours Charging time: 1.5 hours Earphone battery: 50mAh Charging box battery: 400mAh Charging Case Recharges: 3 times APP: VTrans (basic translation function is free for life)