We offer a wide variety of products, and the following precautions apply to some of them. Please note that they are listed for all products. 【Voltage Compatibility】Designed for Japanese voltage (90-110V). Using with a different voltage may cause malfunction. 【Plug Type】Japanese plugs (A or B type). Use a conversion adapter if needed. 【Transformers & Adapters】Transformers adjust voltage; adapters only change plug shape. Using an adapter without a transformer may damage the product. 【Liability】We are not responsible for damages caused by improper use, such as using the product without a transformer. Expressing high-quality sound: Sanag C16S uses a 14.2mm high-elastic biological diaphragm and FregExtreme high-frequency vibrator reinforcement technology to deliver pure, powerful sound, rich sound hierarchy, and an immersive music experience. Adopts ACS panoramic sound field algorithm to convert audio signals into infinite panoramic surround. It provides a viewing experience that instantly makes you feel like you're in a movie theater. Clear call performance: Advanced acoustic technology with wool composite diaphragm and AI algorithm minimizes sound leakage and improves bass quality. Plus, you can make clear calls even in crowded environments. Directed sound collection speaker hole prevents sound leakage and protects privacy. The specially designed circular speaker hole enhances the directed sound conduction effect, minimizing sound leakage while increasing the volume. Excellent fit: It fits perfectly to the shape of your ears, has no pressure, does not get sticky due to stuffiness or sweat, has a stable fit and does not shake, and is suitable for many people due to its ultra-lightweight design of approximately 8.2g and the carefully selected body shape. It is lightweight and provides a comfortable fit. Open ear, no feeling of constriction: The open ear design allows you to enjoy a comfortable open feeling and natural sound. Even while immersed in your own sound world, you can always keep track of your surroundings and situations. Up to 56 hours of playback: Up to 8 hours of playback with the earphones and up to 56 hours of playback with the charging case. Bluetooth 6.0 instant connection and stability have been improved. Even in crowded radio environments such as station platforms, skipping and interruptions are less likely to occur. After receiving the product, please charge it first and then connect it to Bluetooth. Multi-functional app control: Through the Sanag app, you can easily adjust the sound quality, AI assistant, switch game/music mode, etc. In addition, with IPX4 sweatproof performance, you can use it safely during sports and outdoors. Package contents: Main unit, charging case, USB-C cable; High-quality earphones that will always be close to you. Sanag C16S has an open-ear design that allows you to naturally hear surrounding sounds without blocking your ears, providing a comfortable listening experience. Bluetooth 5.4 technology provides...