Dongguan Jiuyin Technology Co., Ltd. is a technology-driven enterprise specializing in audio innovation and precision testing equipment. Headquartered in the Songshan Lake High-Tech Industrial Park—one of China’s leading hubs for advanced manufacturing and technological innovation—Jiuyin leverages the strong R&D and manufacturing capabilities of Dongguan Jiuyin Technology Co., Ltd., Dongguan Boyang Instrument Co., Ltd., and Zhengzhou Boyang Instrument & Meter Co., Ltd. to build a solid industrial foundation. 

Jiuyin's product portfolio focuses on two core areas: bone conduction audio devices and high-precision testing instruments, serving a wide range of industries including consumer electronics, healthcare, industrial inspection, and professional sports technology.

Jiuyin is proud to be the world’s first company to invent and successfully mass-produce bone conduction headphones capable of functioning at a depth of 50 meters underwater. To date, this remains the only bone conduction headphone globally to achieve such a level of waterproof performance. By integrating an advanced bone conduction acoustic system with a professional-grade deep-sea sealing structure, Jiuyin has filled a critical gap in underwater audio technology. Since its release, the product has attracted significant attention from international diving clubs, professional sports brands, and high-end users, and is widely regarded as a milestone in the evolution of bone conduction technology.

The company has established a complete product matrix ranging from IP68-rated professional diving models to ultra-lightweight everyday sports versions, addressing multi-scenario and multi-tier market needs. With ergonomic design and integrated lightweight structure, the headphones weigh as little as 23 grams, incorporating multiple patented core features such as night running safety lights, ergonomic ear-hook and neckband design, and a low-vibration, high-fidelity acoustic system—ensuring a safe and immersive audio experience even in complex environments.