The Bluetooth 5.2 technology ensure a lightning-fast and ultra-stable connection for seamless immersive experience.The wireless earbuds support working with either one earbud separately or both earbuds together.These earphones provide deep bass, clear vocals,and crisp high tones.It has HiFi sound quality and 3D surround stereo,feel like you are listening the concert on the scene.Each earbud has a build-in microphoneand noise reduction which can make others hear your voice very clearly while phone calls.Nothing more important to always have high-quality music with you for leisure and relaxation.One button design, easy to use, phone calls and control music play by one button. deal for in car calling and friends chatting, play games or working use.Easy to control play/pause, answer/reject, previous/next track, etc.Strict quality pursuit, we give up efficiency, just to make better headphones.Ergonomically designed for a more comfortable fit on the auricle.Suitable for all Bluetooth-enabled mobile phones and smart devices.And earphone battery capacity have 30 mah,can playback time 3 hours.