The translation headset requires the accompanying APP to work. Install the APP by scanning the QR code on the included Translator Guide card. Key features and benefits - 3-in-1 translation earbuds with AI real-time translation - AI real-time translation technology supports fast and accurate translations in 144 languages - Combines translation, music playback, and calling in one device - Ideal for one-on-one conversations and able to meet communication needs in business meetings, travel, and learning scenarios - Bluetooth 5.4 for reliable performance - HiFi bass with AI enhancement - Latest Bluetooth 5.4 chip enables intelligent signal hopping and anti-interference - Fast transmission with low power consumption and minimal delay - 3-in-1 functionality with high quality sound - Translation, music playback, and call capabilities in one device - HiFi sound quality delivers crystal-clear and pure audio for music and calls - Comfortable wear and stylish design - Ear-hanging style with lightweight materials for extended wear - Sleek, fashionable appearance - Elegant charging case that protects the earbuds and provides a convenient, portable user experience 2-3 practical use scenarios - In personal conversations while traveling or practicing languages: use real-time translation to communicate smoothly with speakers of different languages during one-on-one chats. - Business meetings with international partners: conduct multilingual discussions with real-time translation, while listening to presentations or taking calls with clear audio. - Learning and daily use: listen to language lessons or audio content while receiving immediate translations to reinforce understanding and retention. Functional summary - Requires the APP for operation; download via the QR code on the Translator Guide card - 144-language real-time AI translation - 3-in-1 device: translation, music, calls - Bluetooth 5.4 with HiFi bass, AI enhancement, low latency - Comfortable ear-hanging design with protective, portable charging case