Features: Endurable batterys life, equipped with a large capacity charging-box. BT5.0 chip offers noise reduction function, providing perfect hearing protection for your ears. Supports music playing and hands-free call. Equipped with function buttons which let you easily control your music and answer the phone call. Wire-less dual ear design, convenient to operate and quick to pair with BT-enabled audio devices. Ergonomically designed for a more comfortable for a canal and unable to throw away. Compact, lightweight and portable to fit in your pocket well.