Superior sound qualityThe built-in 16 mm dynamic speaker offers 360° Hi-Fi stereo sound quality, ensuring superior audio clarity. It employs noise reduction technology to deliver powerful bass and crisp vocals, regardless of the volume. Improve sound leakageThis earphone is equipped Bluetooth 5.4 chip,seamless audio transmission, stable connection,, low latency. With air-directed sound transmission technology, allowing for automatic adjustment of sound beam transmission integration. Open ear headphones designCompared to traditional in-ear headphones,the open, ventilated and breathable design of these earbuds keeps you aware of your surroundings. When running, driving, exercising or other work, you can find potential dangers in time, and you can talk with others without taking off your headphones.,a headphone playback time of 5 hours the charging box can make the playback time reach up to 36 hours. Touch control and microphone activate SiriThe touch pa