This ear bars are designed for hearing research. The sound stimulus is transmitted through the holes of the ear bars. The diameter of the front hole is 0.7 mm, and that of the back end is 3.0mm. The tip of the ear bars is 30°, which will not damage the eardrum.

RWD Life Science specializes in life science, animal healthcare, and medical devices. Founded in 2002 and headquartered in Shenzhen, our products and services cover more than 100 countries and regions. We are dedicated to contributing our wisdom and effort to the improvement of the quality of life. Moreover, we are firmly committed to being a globally-advanced science enterprise.

Oriented by customer demands and motivated by excellent talents, RWD is continuously establishing long-term partnerships with domestic and foreign universities. We also invest in our R&D to achieve innovation in our products, technologies, and service. We aim to provide solutions with higher quality to our customers.

Based on the Chinese market and serving customers around the world, RWD has not only achieved a strong reputation and advantage in the fields of respiratory anesthesia, neuroscience research, animal behaviour research, surgery and nursing, and pathological analysis, but also gained theconstant trust and support from our domestic and foreign customers after our efforts during the past 17 years.

Looking into the future, we shall adhere to the core values of quality, integrity, responsibility and contribute to the advancement and development of pre-clinic and medical clinic applications.