Noise Cancelling Design: Designed to deliver clear audio with strong transmission signal, automatic noise reduction, and stable performance using Advanced Wireless version 5.0. HIFI Sound Quality: Good sound insulation reduces external noise while preserving authentic HIFI sound quality for immersive listening. Easy to Control: Foldable and easy to carry with builtin controls for seamless track changes and playback adjustments. Longlasting Battery Life: Uses a 300mA lithium battery with low energy consumption to provide extended continuous playtime and reduce the need for frequent charging. Practical and reliable wireless connectivity: Advanced Wireless version 5.0 enables stable wireless performance while maintaining a compact, portable design suitable for travel and daily use. Use scenarios: While commuting or traveling, enjoy music with reduced ambient noise for a more focused listening experience. In open workspaces or study areas, minimize distractions and stay immersed in your audio. At home, have a fidelity listening experience for music, movies, or podcasts without interruptions.