【HiFi Sound Quality & HD Calls】Bluetooth V5.3 headset, HiFi sound quality, with HD call microphone, clear and crisp, reduces ambient noise, enjoy uninterrupted calls without taking off the Bluetooth headset. 【Comfortable to Wear】The wireless Bluetooth headset is super soft and breathable, and the adjustable headband perfectly fits the shape of the head, providing a long-lasting listening experience while protecting the ears: allowing you or your children to immerse yourselves in music, audiobooks, and multiple learning resources. a rotating headband to fit all head shapes, ensuring it doesn't slip, 【Bluetooth 5.3 Connection & Built-in HD Microphone & Detachable Microphone】: You no longer have to worry about tangled wired headphones. The Bluetooth headset is compatible with both wireless and wired 3.5mm devices. Wireless headphones use the latest Bluetooth 5.3 for a more stable connection. Just press the button to play, pause, next/previous song, answer and hang up. Built-in microphone and detachable microphone let you choose freely. 【Long Battery Life and Built-in Microphone】The wireless headphones use the latest Bluetooth technology and have a long battery life. With only 2 hours of charging, you can use them for up to 12 hours. The best tool for online learning. They also have high-definition sound quality, which is very important for enjoying music, providing a feast for you or your children. These Bluetooth headphones for children or adults have a built-in microphone for video chat, answering calls, online courses or streaming.