Hi-Fi Stereo: KS1 Dual Magnetic Circuit. An independent rear sound cavity has been added, which can quickly collect and compress air to increase power and detail. It has a strong low-frequency response, mellow midrange performance, transparent high frequencies, excellent vocal resolution, wide sound field, rich instrument details, and fine musical performance.
Ergonomic comfort: The cabinet cavity of the KS1 is made of imported high-density PC material that can well suppress the diffuse reflection of sound waves inside the cavity. Its ingredients are skin-friendly. The entire cavity is smooth, comfortable to wear, durable and provides a solid ergonomic wearing experience. With this kind of lock-in fit, the earphones won't fall out while you run, so you can exercise and enjoy music.
High Performance: Using the above materials, the KS1 is affordable. It lets you hear a great sound. Audio earphones present a really high performance. True hi-fi headphones are very suitable to buy as gifts for Christmas, Valentine's Day, Thanksgiving Day, etc.