【138+ Languages Supported】Translate between over 138 languages with high accuracy, enabling seamless communication in more than 150 countries and regions worldwide. 【98% Accuracy & 0.5s Response】Powered by an advanced AI translation platform, the V22 delivers up to 98% translation accuracy with a rapid 0.5-second response time, ensuring efficient and reliable communication. 【Real-time Display】Enjoy synchronized audio and text display for clear, at-a-glance understanding, enhancing user experience and interaction. 【Long-lasting Battery】The charging case is equipped with a 400mAh high-performance lithium battery, providing extended usage with less frequent charging and reliable protection for the main board. 【Ergonomic Design】Compact and portable with a sleek business-oriented design, perfect for various scenarios including travel, shopping, and academic exchanges. 【Smart Noise Reduction】Features dual-microphone noise cancellation for clear calls and communication in various environments. 【VTrans App Integration】Pair with the VTrans app for enhanced functionality and lifetime access to basic translation features at no extra cost. Specifications: Bluetooth-Compatible Version: 5.4 Chip: 5716D (Bluetrum) Working Time: Up to 7 hours Charging Time: 1.5 hours Earbuds Battery Capacity: 40mAh Charging Case Battery Capacity: 400mAh Charging Times of Charging Case to Earphones: 3 times Material: ABS App: VTrans