Sweatproof and waterproof for an active lifestyle Whether it's a hot summer day or an intense workout, these headphones feature an effective sweatproof and waterproof design, allowing you to exercise freely in all conditions and keep the music going. Hi-Fi Sound Quality Enjoy high-definition lossless sound quality with professional tuning and independent audio, delivering powerful bass and clear highs for an immersive acoustic experience. Single or Dual Headphone Use Flexibly switch between using one or two headphones. Both headphones can be connected to one mobile phone at the same time, or each earphone can be connected to a separate device for personal use. Ergonomic and Comfortable Fit With a three-point support design, it is firmer yet softer, ensuring comfortable and painless use and more comfortable for long-term use. Bluetooth 5.0 with Stable Signal These headphones are equipped with Bluetooth 5.0, which has high compatibility and stable transmission, can intelligently connect to multiple devices, and ensure a reliable and smooth connection within a distance of up to 10 meters.