1.Easily Translated in 144 Languages: You only need to touch the translator eaerbuds to translate, quick and convenient operation, fool operation, easy to learn 2.Bluetooth 5.1 Technology and CVC 8.0 -- Provides low latency and stable connect with most bluetooth device, like iOS or Android smart phones, tablets, laptops from up to 10m away without signal loss or music dropouts. With CVC 8.0 chip, even if you are deep in the noisy downtown, it can also capture clear voice quickly. 3.Ergonomic Design -- Bluetooth earpiece full in-Ear with ergonomic design for business, office, driving and trucker; Ear hook rotation of 180°vertically and 270°horizontally, rotation of headset receiver 45°for comfortable fit and switching between left and right ears. 4.Long Battery Time -- It only takes 1 hours to fully charge. Then the wireless headset can support up to 15 hours of talking time and music time and 240 hours of standby. These Bluetooth earbuds allow you to make wireless calls and enjoy listening all day. With charging case you can get 5 times charging (total 75 hours use time).