The Translation Headphones are a revolutionary device that allows you to instantly translate over 80 languages. Simply download the app mentioned in the manual to perform language translations. The supported languages are constantly being updated, so you'll always have access to the latest translations. These headphones are not only for translation, but also function as sports headphones. With wireless Bluetooth compatibility, you can enjoy your favorite music or podcasts while staying active. The earbuds have a wireless range of 10m in an obstacle-free environment, and each earbud has a battery capacity of 50mAh. They can be fully charged in approximately 1.5 hours and provide a talk time of around 4 hours. The standby time is approximately 60 hours. The headphones use Bluetooth 5.0 for wireless connectivity and support profiles such as HFP, A2DP, HSP, and AVRCP. The translation language feature allows you to translate in real-time using the app. The charging case, which has a battery capacity of 300mAh, can be fully charged in approximately 2 hours and has a standby time of around 1 month. The total weight of the charging box is 95g, with the earphones weighing about 6.0g each and the charging box weighing about 35g. The official package includes 2 earbuds, 4 earbud caps, 1 battery case, and 1 user manual. Key Features: Instantly translate over 80 languages Wireless Bluetooth compatibility Sports headphones functionality 10m wireless range 4-hour talk time Bluetooth 5.0 connectivity Real-time translation using the app Includes 2 earbuds, 4 earbud caps, 1 battery case, and 1 user manual