HiFi Sound Quality and HD CallBluetooth Headset V5.3, HiFi Sound Quality, with HD Call Microphone, Crisp and Clean, Reduce Environmental Noise, Enjoy Uninterrupted Calls Without Taking Off Bluetooth Headset.Comfortable to WearThe wireless Bluetooth headset is super soft and breathable, and the adjustable headband fits the head shape perfectly, providing a long-lasting listening experience while protecting the ears,:Let you or your children immerse in music, audiobooks, and multiple learning resources. a rotatable bracket to fit any head shape, ensuring that it will not slip off,Bluetooth 5.3 Connection and Built-in HD Microphone and Detachable Microphone: No need to worry about wired headphones getting tangled anymore.The Bluetooth headset is compatible with wireless and 3.5mm jack wired devices wireless headphones use the latest Bluetooth 5.3, and the connection is more stable. Just touch the button to play, pause, next/previous song, answer and hang up the phone. Built-in microphone and detachable microphone, you can choose freely.Long Battery Life & Built-in MicrophoneThe wireless headphones adopt the latest Bluetooth technology and have a long battery life. With just a 2-hour charge, you can use them for up to 12 hours. The best tool for online learning. They also have high-fidelity sound quality, which is very important for enjoying music, providing you or your children with an ear feast. These Bluetooth headphones for kids or adults have a built-in microphone for video chatting, answering calls, online classes, or streaming.