The H1i over-ear noise-canceling headphones feature a fluorescent transparent and environmentally friendly material that emits light through light reflection during night walks, ensuring people's safety in different scenarios. To achieve high-quality sound performance, it adopts a four-speaker chamber structure and a coaxial dual-speaker design. It has an ergonomic wearing design with multi-level adjustment and is comfortable and soft without pressing on the ears. It is designed with an independent rear cavity to ensure the same ventilation for both ears, providing consistent frequency response. With a one-key ANC function, it is easily operated to enter the noise-cancellation mode.